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GK Questions with answers on Science: Physics (Electricity) Set III

GK Questions with answers on Science: Physics (Electricity) Set II, in this set you will find repository of 10 Objective Type Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.
Jun 30, 2016 09:49 IST
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GK Questions with answers on Science: Physics (Electricity) Set II, in this set you will find repository of 10 Objective Type Questions that will help you to attune and equipped for different competitive examinations as well as academic examinations.

1. A continuous conducting path consisting of wires and other resistances and a switch, between the two terminals of a battery along which an electric current flows is called:

A. Resistivity

B. Circuit

C. Electric power

D. Insulator

Answer: B

2. Which of the following is a part of electrical circuit?

A. Battery

B. Fixed resistance

C. Connecting wires

D. All of the above

Answer: D

3. The resistance which can be changed as desired is called:

A. Wire joints

B. Fixed resistance

C. Variable resistance

D. A switch

Answer: C

4. Which of the following is a current-detecting instrument?

A. Voltmeter

B. Ammeter

C. Magnetometer

D. Galvanometer

Answer: D

5. Rheostat is the other name of:

A. Fixed resistance

B. Variable resistance

C. Insulator

D. Conductor

Answer: B

6. The law which gives relationship between current and potential difference is called:

A. Ohm’s law

B. Ampere’s law

C. Biot-Savart law

D. Coulomb’s law

Answer: A

7. What is the formula for calculating current?

A. I = V * R

B. I = V + R

C. I = V – R

D. I = V/R

Answer: D

8. Current is inversely proportional to:

A. Potential difference

B. Resistance

C. Voltage

D. Electric power

Answer: B

9. The resistance of a conductor depends on its:

A. Length

B. Nature of material

C. Thickness

D. All of the above

Answer: D

10. What is the SI unit of resistance?

A. Volt

B. Watt

C. Ohm

D. Metre

Answer: C