---
title: It is given that a residual current device detects a leakage of curr… — Electricity at home: switches, plugs,… · tree and pragmatics
description: It is given that a residual current device detects a leakage of current through a person. State the response of the device. Exam question 2 of lesson 14 «Electricity at home: switches, plugs, fuses and alarms» of the technology course of Mova's primary school, with the dependency tree and pragmatics
---

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# Exam question 2 · Electricity at home: switches, plugs, fuses and alarms

<!-- .ven lang=en -->
It is given that a residual current device detects a leakage of current through a person. State the response of the device.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** residual current device, current · **What happens:** give, detect, leak · **To what, where:** It, leakage

<!-- .vabout -->
This is exam question 2 of lesson 14 «Electricity at home: switches, plugs, fuses and alarms» of the technology course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/technology/14-electricity-at-home/#e2).

## The question {#question}

<!-- .note -->
*Sentence 1:* It is given that a residual current device detects a leakage of current through a person.

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:1
# text = It is given that a residual current device detects a leakage of current through a person.
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	given	give	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	that	that	SCONJ	IN	_	9	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	residual	residual	ADJ	JJ	Degree=Pos	8	amod	_	_
7	current	current	NOUN	NN	Number=Sing	8	compound	_	_
8	device	device	NOUN	NN	Number=Sing	9	nsubj	_	_
9	detects	detect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	advcl	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	leakage	leakage	NOUN	NN	Number=Sing	9	obj	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	current	current	NOUN	NN	Number=Sing	11	nmod	_	_
14	through	through	ADP	IN	_	16	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
16	person	person	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **give** | present · passive |  | It |  |  |  |  | vn give-13.1-1 «NP V NP»: subject=Theme |
| 2 | **detect** | present | a residual current device | a leakage of current |  |  |  | through a person | vn see-30.1-1 «NP V S»: agent=Experiencer leakage=Stimulus |
| 3 | **leak** |  | current |  |  |  |  |  | nom leakage «event intransitive»: of=agent |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- .note -->
*Sentence 2:* State the response of the device.

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:2
# text = State the response of the device.
1	State	state	NOUN	NN	Number=Sing	3	compound	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	response	response	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	device	device	NOUN	NN	Number=Sing	3	nmod	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It disconnects the supply within a fraction of a second

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:o1:1
# text = It disconnects the supply within a fraction of a second
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	disconnects	disconnect	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	supply	supply	NOUN	NN	Number=Sing	2	obj	_	_
5	within	within	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	fraction	fraction	NOUN	NN	Number=Sing	2	obl	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
10	second	second	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **disconnect** | present | It | the supply |  |  |  | within a fraction of a second | vn disassemble-23.3 «NP V NP»: agent=Agent supply=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It increases the current to the circuit

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:o2:1
# text = It increases the current to the circuit
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	increases	increase	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	current	current	NOUN	NN	Number=Sing	2	obj	_	_
5	to	to	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	circuit	circuit	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **increase** | present | It | the current |  |  |  | to the circuit *result* | vn caused\_calibratable\_cos-45.6.2-1 «NP.patient V NP.extent PP.initial\_state PP.result»: agent=Patient current=Extent to circuit=Result |

### Option 3 {#o3}

<!-- .ven lang=en -->
It sounds an alarm but leaves the supply connected

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:o3:1
# text = It sounds an alarm but leaves the supply connected
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	sounds	sound	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	an	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	alarm	alarm	NOUN	NN	Number=Sing	2	obj	_	_
5	but	but	CCONJ	CC	_	6	cc	_	_
6	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	supply	supply	NOUN	NN	Number=Sing	6	obj	_	_
9	connected	connect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	acl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sound** | present | It | a alarm |  |  |  |  | vn sound\_emission-43.2 «PP.location V NP»: agent=Location alarm=Theme |
| 2 | **leave** | present |  | the supply |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent supply=Theme |
| 3 | **connect** | participle |  | the supply *not said here* |  |  |  |  | vn mix-22.1-2-1 «NP V»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It records the event and takes no further action

```conllu
# sent_id = question:technology:14-electricity-at-home:e2:o4:1
# text = It records the event and takes no further action
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	records	record	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	event	event	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	takes	take	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
7	no	no	DET	DT	PronType=Neg	9	det	_	_
8	further	further	ADJ	JJ	Degree=Pos	9	amod	_	_
9	action	action	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **record** | present | It | the event |  |  |  |  | vn scribble-25.2-1 «NP V NP»: agent=Agent event=Theme |
| 2 | **take** | present |  | no further action |  |  |  |  | vn bring-11.3 «NP V NP»: agent=Agent action=Theme |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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