1.

A voltage time constant of 15 ms is required. What value of resistance is needed if a capacitance of 0.1 ?F is used?

2.

A voltage step of 18 V is applied to the RC circuit shown in Fig. 3.1 a. What will be the voltage across the capacitor after a time interval of 2 CR?

3.

If an inductance of 21 mHz is used to obtain a current time constant of 12.5 ?s, what value of resistance is required?

4.

What is the time constant of a resistance of 18.5 k ? in series with an inductance of 585 ?Hz?

5.

In the series circuit shown in Fig. 3.16 a the voltage measured across the inductance was 16.8 V, the voltage across the capacitor was 9.5 V. What is the voltage across the resistor?

Figure 3.16: Circuits for ( a) Probs. 3.5 through 3.10 and ( b) Probs. 3.11 through 3.17.

6.

What is the frequency of the ac source shown in Fig. 3.16 a?

7.

What is the value of the capacitor shown in Fig. 3.16 a?

8.

What is the resonant frequency of the series circuit in Fig. 3.16 a?

9.

What is the source current at resonance in Fig. 3.16 a?

10.

If the input ac frequency is 23.5 kHz, what is the current flowing in the circuit in Fig. 3.16 a?

11.

In the circuit...