Physics 10 Chapter 14 - Current and Electricity - 5

Physics 10 Chapter 14 - Current and Electricity - 5

1. Which energy of the battery changes into electrical potential energy?

a) Gravitational potential energy
b) Chemical energy
c) Nuclear energy
d) Kinetic energy

2. The electrical potential energy ......................as the charges move around the circuit?

a) Decreases
b) Remains constant
c) Has no effect
d) Increases

3. Into which forms of energy, the electrical potential energy from battery can be converted?

a) Heat energy
b) All of these
c) Light energy
d) Sound energy

4. The number of charge carriers and the charge on each carrier during flow of current..........................?

a) Increases
b) Remains constant
c) Becomes zero
d) Decreases

5. Instead of electrical potential energy, which term we use?

a) Current
b) Kinetic energy
c) Capacitance
d) Electric potential

6. What is electric potential?

a) Electric charge per unit time
b) Potential energy per unit charge
c) Resistance per unit time
d) Capacitance per unit time

7. If 0.5 C charge passes through a wire in 10 s, then what will be the value of current flowing through the wire?

a) 50 A
b) 50 m A
c) 5 MA
d) 5 m A

8. Due to which motion of electrons, no current passes through the conductors in the absence of any external source?

a) Random motion of electrons
b) Circular motion of electrons
c) Brownian motion of electrons
d) Linear motion of electrons

9. Before the idea of free electrons it was thought that current in conductors flows due to motion of.............?

a) Negative charges
b) Positive charges
c) Free electrons
d) Neutral charges

10. By which symbol, electric potential is represented?

a) V
b) I
c) C
d) R

This is more feedback!

This is the feedback!