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electromotive force

Authored by fatin farhana

Physics

5th Grade

Used 126+ times

electromotive force
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7 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which circuit can be used to determine the electromotive force of a battery?

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2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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One dry cell with e.m.f value of 2V and internal resistance 1Ω is connected to one resistor 4Ω

0.4A

0.5A

2.0A

2.5A

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Determine:

(a) the e.m.f of the cell


*beza keupayaan(potential difference)

*Arus(current)

0.9

0.6

1.5

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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Determine:

(b) the internal resistance


*beza keupayaan(potential difference)

*Arus(current)

1 ohm

2 ohm

3 ohm

4 ohm

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Electromotive = potential + voltage

force difference loss


E = V + v

E = V + Ir

Internal resistance, r = ?

(E – V)

2I

(V – E)

I

(E – V)

I

(I – V)

E

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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y = mx + c

from graph, state the correct answer represent equation using
V, E, I and -r

V  = -rE+I

E  = -rI + v

V  = -rI + E

V  =rI +E

7.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which statement is FALSE about EMF?

Energy supply by a source to transfer a unit charge from one terminal to another terminal

No current flow in the circuit, voltmeter readings = e.m.f

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There is current flow in the circuit. voltmeter readings = p.d across resistance

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