Question 1

A resistor with a resistance of 360 ? is in a series circuit with a capacitor of capacitance 7.3 × 10^-6 F. What capacitance must be placed in parallel with the original capacitance to change the capacitive time constant of the combination to three times its original value?

Accepted Answer

The answer of A resistor with a resistance of 360...

Question 2

A circuit contains a 2.0-M? resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery, the capacitor reaches 25% of its maximum charge in 1.5 s. What is its capacitance?

Accepted Answer

The answer of A circuit contains a 2.0-M? resistor in...

Question 3

A series circuit consists of a 2.5-?F capacitor, a 7.6-M? resistor, and an ideal 6.0-V dc power source.
(a)What is the time constant for charging the capacitor?
(b)What is the potential difference across the capacitor 25 s after charging begins?

Accepted Answer

The answer of A series circuit consists of a 2.5-?F...

Question 4

In the circuit shown in the figure, all the capacitors are initially uncharged when the switch S is suddenly closed, and the battery is ideal. Find (a)the maximum reading of the ammeter and (b)the maximum charge on the 5.00-µF capacitor.

Accepted Answer

The answer of In the circuit shown in the figure,...

Question 5

The capacitor shown in the circuit in the figure is initially uncharged when the switch S is suddenly closed, and the battery is ideal. After one time constant has gone by, find (a)the current through the resistor and (b)the charge on the capacitor. Assume that the numbers shown are all accurate to two significant figures.

Accepted Answer

The answer of The capacitor shown in the circuit in...

Quiz 23: Circuits

A resistor with a resistance of 360 ? is in a series circuit with a capacitor of capacitance 7.3 × 10-6 F. What capacitance must be placed in parallel with the original capacitance to change the capacitive time constant of the combination to three times its original value?

A circuit contains a 2.0-M? resistor in series with an uncharged capacitor. When this combination is connected across an ideal battery, the capacitor reaches 25% of its maximum charge in 1.5 s. What is its capacitance?

A series circuit consists of a 2.5-?F capacitor, a 7.6-M? resistor, and an ideal 6.0-V dc power source. (a)What is the time constant for charging the capacitor? (b)What is the potential difference across the capacitor 25 s after charging begins?

In the circuit shown in the figure, all the capacitors are initially uncharged when the switch S is suddenly closed, and the battery is ideal. Find (a)the maximum reading of the ammeter and (b)the maximum charge on the 5.00-µF capacitor.

A resistor with a resistance of 360 ? is in a series circuit with a capacitor of capacitance 7.3 × 10^-6 F. What capacitance must be placed in parallel with the original capacitance to change the capacitive time constant of the combination to three times its original value?