Magnetic Effects of Electric Current Test

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Magnetic Effects of Electric Current Test - 2

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Weekly Quiz Competition

Question 1
1 / -0

The magnetic field lines produced by a bar magnet:

A
Originate from the South pole and end at its North Pole

B
Originate from the North pole and end at its East Pole

C
Originate from the North Pole and end at its South Pole

D
Originate from the South pole and end at its West Pole
Question 2
1 / -0

The north pole of Earth's magnet is in the:

A
Geographical South

B
Geographical East

C
Geographical West

D
Geographical North
Question 3
1 / -0

A soft iron bar is inserted inside a current-carrying solenoid. The magnetic field inside the solenoi

A
Will decrease

B
Will increase

C
Will become zero

D
Will remain the same
Question 4
1 / -0

A current carrying conductor is held in exactly vertical direction. Inorder to produce a clockwise magnetic field around the conductor, the current should be passed in the conductor:

A
From top towards bottom

B
From left towards right

C
From bottom towards top

D
From right towards left
Question 5
1 / -0

An induced current is produced when a magnet is moved into a coil. The magnitude of induced current does not depend on:

A
The speed with which the magnet is moved

B
The number of turns of the coil

C
The resistivity of the wire of the coil

D
The strength of the magnet
Question 6
1 / -0

A car headlamp of 48 W works on the car battery of 12 V. The correct fuse for the circuit of this car headlamp will be:

A
3 A

B
5 A

C
10 A

D
13 A
Question 7
1 / -0

A 3-pin mains plug is fitted to the cable for a 1kW electric cable to be used on a 250 V ac supply. Which of the following statement is not correct?

A
A fuse should be fitted in a live wire

B
A 13 A fuse is the most appropriate value to use

C
The neutral wire is coloured black

D
The green wire should be connected to the earth pin

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Magnetic Effects of Electric Current Test - 2

Result

Magnetic Effects of Electric Current Test - 2

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Question 1

Originate from the South pole and end at its North Pole

Originate from the North pole and end at its East Pole

Originate from the North Pole and end at its South Pole

Originate from the South pole and end at its West Pole

Question 2

Geographical South

Geographical East

Geographical West

Geographical North

Question 3

Will decrease

Will increase

Will become zero

Will remain the same

Question 4

From top towards bottom

From left towards right

From bottom towards top

From right towards left

Question 5

The speed with which the magnet is moved

The number of turns of the coil

The resistivity of the wire of the coil

The strength of the magnet

Question 6

3 A

5 A

10 A

13 A

Question 7

A fuse should be fitted in a live wire

A 13 A fuse is the most appropriate value to use

The neutral wire is coloured black

The green wire should be connected to the earth pin

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Question Analysis

My Perfomance

Score

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Rank

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