iClicker Questions

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Clicker Question
An inductance L and a resistance
R are connected to a source of
emf as shown. When switch S1 is
closed, a current begins to flow.
The final value of the current is
A. directly proportional to RL.
B. directly proportional to R/L.
C. directly proportional to L/R.
D. directly proportional to 1/
(RL).
E. independent of L.
Clicker Question
An inductance L and a resistance R
are connected to a source of emf
as shown. When switch S1 is
closed, a current begins to flow.
The time required for the current
to reach one-half its final value is
A. directly proportional to RL.
B. directly proportional to R/L.
C. directly proportional to L/R.
D. directly proportional to 1/(RL).
E. independent of L.
Clicker Question
An inductance L and a resistance R
are connected to a source of emf
as shown. When switch S1 is
closed, a current begins to flow.
The time required for the current
to reach one-half its final value is
A. directly proportional to RL.
B. directly proportional to R/L.
C. directly proportional to L/R.
D. directly proportional to 1/(RL).
E. independent of L.
Clicker Question
Which curve shows the voltage drop across the inductor
after S1 is closed and S2 is opened?
A
V(t)
B
C
tswitch
t
D
Clicker Question
Which curve shows the voltage drop across the inductor
after S1 is closed and S2 is opened?
A
V(t)
B
C
tswitch
t
D
Clicker Question
Which curve shows the voltage drop across the Resistor
after S1 is closed and S2 is opened?
A
V(t)
B
C
tswitch
t
D
Clicker Question
Which curve shows the voltage drop across the Resistor
after S1 is closed and S2 is opened?
A
V(t)
B
C
tswitch
t
D
Clicker Question
After reaching a steady current, S1 is opened and S2 is
closed, simultaneously. What curve shows the voltage
drop across the resistor vs. time?
A
V(t)
B
C
tswitch
t
D
Clicker Question
After reaching a steady current, S1 is opened and S2 is
closed, simultaneously. What curve shows the voltage
drop across the resistor vs. time?
A
V(t)
B
C
tswitch
t
D
Clicker Question
After reaching a steady current, S1 is opened and S2 is
closed, simultaneously. What curve shows the voltage
drop across the resistor vs. time?
A
V(t)
B
C
tswitch
t
D
Clicker Question
After reaching a steady current, S1 is opened and S2 is
closed, simultaneously. What curve shows the voltage
drop across the inductor vs. time?
A
V(t)
B
C
tswitch
t
D
Clicker Question
After reaching a steady current, S1 is opened and S2 is
closed, simultaneously. What curve shows the voltage
drop across the inductor vs. time?
A
V(t)
B
C
tswitch
t
D
Figure 30.15
Clicker Question
Right after switch S
is closed, what will
be the potential
difference across
the capacitor?
A) 0
B)
C)
D)
E)
ε
ε R2/(R1+ R2)
ε /2
ε R1/(R1+ R2)
Clicker Question
Right after switch S
is closed, what will
be the potential
difference across
the capacitor?
A) 0
B)
C)
D)
E)
ε
ε R2/(R1+ R2)
ε /2
ε R1/(R1+ R2)
Clicker Question
A long time after switch
S is closed, what will be
the charge on the
capacitor?
A) 0
B) Cε
C)
D)
ε/C
Cε /2
E) C/R2
Clicker Question
A long time after switch
S is closed, what will be
the charge on the
capacitor?
A) 0
B) Cε
C)
D)
ε/C
Cε /2
E) C/R2
Table 30.1
Clicker Question
An inductor (inductance L)
and a capacitor (capacitance
C) are connected as shown.
If the values of both L and C
are doubled, what happens
to the time required for the
capacitor charge to oscillate
through a complete cycle?
A. It becomes 4 times longer.
B. It becomes twice as long.
C. It is unchanged.
D. It becomes 1/2 as long.
E. It becomes 1/4 as long.
Clicker Question
An inductor (inductance L)
and a capacitor (capacitance
C) are connected as shown.
If the values of both L and C
are doubled, what happens
to the time required for the
capacitor charge to oscillate
through a complete cycle?
A. It becomes 4 times longer.
B. It becomes twice as long.
C. It is unchanged.
D. It becomes 1/2 as long.
E. It becomes 1/4 as long.
Clicker Question
An inductor (inductance L) and a
capacitor (capacitance C) are
connected as shown. The value of
the capacitor charge q oscillates
between positive and negative
values. At any instant, the
potential difference between the
capacitor plates is
A. proportional to q.
C. proportional to d2q/dt2.
E. all of A, B, and C.
B. proportional to dq/dt.
D. both A and C.
Clicker Question
An inductor (inductance L) and a
capacitor (capacitance C) are
connected as shown. The value of
the capacitor charge q oscillates
between positive and negative
values. At any instant, the
potential difference between the
capacitor plates is
A. proportional to q.
C. proportional to d2q/dt2.
E. all of A, B, and C.
B. proportional to dq/dt.
D. both A and C.
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