Basic Electricity Quiz Part- 4

By eeeterminal / September 1, 2024

Created on September 01, 2024 By

eeeterminal

Basic Electricity

Basic Electricity Quiz Part-4

This Basic Electricity Quiz part-4 contains 10 questions about atoms and its nature. It us continuation of basic Electricity Quiz part-3

1 / 10

1. A copper wire length R0 is stretched to n times of the length of its original length. What will be resistance now?

A. Ro/n^2

B. n^2 Ro

C. nRo

D. n^2Ro

2 / 10

2. Why constantan wires are used widely in making of the heating element?

A. low specific resistance

B. low melting point

C. high specific resistance

D. negligible temperature co-efficient of resistance

3 / 10

3. The value of the α - temperature co-efficient of the resistance depends upon

A. Nature of the material and temperature

B. Cross sectional area of the material

C. length of the material

D. Volume of the material

4 / 10

4. The copper wire stretched to its length by 0.1 %. What is the changes of resistance in that conductor?

A. 0.3%

B. 0.5%

C. 0.2%

D. 0.4%

5 / 10

5. If electric current passed through nerve , the human

A. begin to weep

B. begin laugh

C. become intensive to pain

D. is excited

6 / 10

6. Which is following having non ohmic resistance?

A. Aluminum conductor

B. Copper conductor

C. Tungsten wire

D. Carbon conductor

7 / 10

7. Choose the best conductor of electricity

A. Copper

B. Siliver

C. Aluminum

D. Gold

8 / 10

8. The thermal resistance of the electrons ____________

A. 1000000 m/s

B. 3 x 1000000 m/s

C. 1 m/s

D. 1/1000 m/s

9 / 10

9. At 0 K germanium semiconductor behaves like

A. an insulator

B. none of the above

C. conductor

D. super conductor

10 / 10

10. The SI unit of the conductivity

A. mho-m

B. ohm-m

C. mho/m

D. ohm/m

Your score is

The average score is 70%

This basic electricity quiz part-4 contains basic electricity about fundamental like, charge, potential difference , nature of atoms, temperature co-efficient of the resistance etc.

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