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Test: Electromagnetic Induction - Class 10 MCQ


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5 Questions MCQ Test - Test: Electromagnetic Induction

Test: Electromagnetic Induction for Class 10 2024 is part of Class 10 preparation. The Test: Electromagnetic Induction questions and answers have been prepared according to the Class 10 exam syllabus.The Test: Electromagnetic Induction MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Electromagnetic Induction below.
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Test: Electromagnetic Induction - Question 1

Small current in a circuit is detected by

Detailed Solution for Test: Electromagnetic Induction - Question 1

Galvanometer is used to detect presence of small current in a circuit

Test: Electromagnetic Induction - Question 2

Induced current found to be highest when coil moves

Detailed Solution for Test: Electromagnetic Induction - Question 2

The induced current is found to be the highest when the direction of motion of the coil is at right angles to the magnetic field.

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Test: Electromagnetic Induction - Question 3

On & off switch is provided with

Detailed Solution for Test: Electromagnetic Induction - Question 3

No current flows through the neutral wire , the technical purpose of switching on and off can be accomplished if switch is connected to the neutral wire but it is a greivious safety hazard since switching off would still current flow in the phase wire ( live wire)

Test: Electromagnetic Induction - Question 4

Fuse wire used in lighting circuit is of

Detailed Solution for Test: Electromagnetic Induction - Question 4

Fuse is a piece of wire of a material with a very low melting point. When a high current flows through the circuit due to overloading or short circuit, the wire gets heated and melts. As the result, the circuit is broken and current stops flowing.  Hence, the current rating of a fuse is 5 A. 

Test: Electromagnetic Induction - Question 5

In the domestic electric circuits, the red coloured insulated copper wire is called

Detailed Solution for Test: Electromagnetic Induction - Question 5
The live wire carries current to the appliance at a high voltage. The neutral wire completes the circuit and carries current away from the appliance. The third wire, called the earth wire (green/yellow) is a safety wire and connects the metal case of the appliance to the earth.
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