Electricity Test

Result

Electricity Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

Electric current is measured by

A
a voltmeter

B
an ammeter

C
a potentiometer

D
an anemometer
Question 2
1 / -0

25 joule of work is done in moving a charge of 5 C across two points A and B. What is the potential difference between A and B?

A
V

B
125 V

C
5 V

D
625 V
Question 3
1 / -0

Ohm’s Law states the relationship between

A
Electric Current and Resistance

B
Electric Current and Work

C
Electric Current and Potential Difference

D
Electric Current and Electric Charge
Question 4
1 / -0

How many electrons constitute a current of one micro-ampere?

A
6.25 × 10⁶

B
6.25 × 10¹²

C
6.25 × 10⁹

D
6.25 × 10¹⁵
Question 5
1 / -0

__________ is used exclusively for the filaments of the bulbs.

A
Copper

B
Aluminium

C
Silver

D
Tungsten
Question 6
1 / -0

The commonly used safety fuse wire is made of

A
copper

B
lead

C
nickel

D
an alloy of tin and copper
Question 7
1 / -0

The unit of resistivity is

A
ohm

B
ohm metre²

C
ohm-metre

D
ohm per metre
Question 8
1 / -0

The resistivity does not change if

A
the material is changed

B
the temperature is changed

C
the shape of the resistor is changed

D
both material and temperature are changed
Question 9
1 / -0

An electric iron draws a current 4 A when connected to a 220 V mains. Its resistance must be

A
1000 Ω

B
55 Ω

C
44 Ω

D
none of these

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Electricity Test - 3

Result

Electricity Test - 3

Score

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Rank

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SHARING IS CARING

Question 1

a voltmeter

an ammeter

a potentiometer

an anemometer

Question 2

V

125 V

5 V

625 V

Question 3

Electric Current and Resistance

Electric Current and Work

Electric Current and Potential Difference

Electric Current and Electric Charge

Question 4

6.25 × 106

6.25 × 1012

6.25 × 109

6.25 × 1015

Question 5

Copper

Aluminium

Silver

Tungsten

Question 6

copper

lead

nickel

an alloy of tin and copper

Question 7

ohm

ohm metre2

ohm-metre

ohm per metre

Question 8

the material is changed

the temperature is changed

the shape of the resistor is changed

both material and temperature are changed

Question 9

1000 Ω

55 Ω

44 Ω

none of these

User

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Score

-

Rank

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Results Announcement on: coming Monday

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6.25 × 10⁶

6.25 × 10¹²

6.25 × 10⁹

6.25 × 10¹⁵

ohm metre²