Physics 236 Worksheet: Chapter 32, Inductance

1.     v s/A is the same as a(n)

a.     ohm.

b.      farad.

c.      watt.

d.     henry.

2.     To double the energy stored in an inductor, the current must

a.     double.

b.      be increased by a factor of 2

c.      be increased by a factor of four.

3.     If both the inductance and capacitance of an LC circuit are doubled, the frequency will

a.     remain the same.

b.      double.

c.      be increased by a factor of 2

d.     be increased by a factor of four.

e.     be cut in half

f.       be decreased by a factor of 2

g.      be decreased by a factor of four.

4.     If the inductance is doubled and the resistance cut in half in an RL circuit the time constant

a.     will be unchanged.

b.      will double.

c.      will be increased by a factor of four.

d.     will be cut in half.

e.     will be decreased by a factor of four

5.     Doubling the number of loop of wire in a coil causes the inductance of the coil to

a.     double.

b.      be increased by a factor of 2

c.      be increased by a factor of four.

d.     be cut in half.

e.     be decreased by a factor of four

f.       be decreased by a factor of 2

6.     In order for a circuit to oscillate it must contain

a.     inductance and resistance.

b.      capacitance and resistance

c.      inductance and capacitance.

7.     Which figure below represents the current charging an RL circuit? The source is connected to the circuit at t = 0.

 

Ans: 1-d, 2-c, 3-f, 4-c, 5-b, 6-c, 7-a