**Q1. Two capacitors of capacitance 9 µF and 18 µF in series will have a total capacitance of**

A. 27 µF

B. 162 µF

C. 6 µF

D. 180 µF

**Q2. In a series RLC circuit**

A. Increasing the frequency decreases the resistance

B. Increasing the frequency increases the resistance

C. Both XL and XC change as frequency changes

D. Impedance will always decrease

**Q3. A series RLC circuit has a power factor at its half-power points**

A. Unity

B. Leading

C. Lagging

D. Either B or C

**Q4. Kirchhoff’s laws (KCL and KVL) are applicable to**

A. DC circuits

B. AC circuits

C. DC as well as AC circuits

D. Passive networks alone

**Q5. A tank circuit is a**

A. Parallel LC circuit

B. Series LC circuit

C. A resonant circuit

D. A non-resonant circuit

**Q6. A capacitive load always has a power facto**

A. Leading

B. Lagging

C. Zero

D. Unity

**Q7. What is the temperature coefficient of the resistance Eureka?**

A. Infinity

B. Negative

C. Almost zero

D. Positive

**Q8. As applied to a series RLC circuit, bandwidth means**

A. The frequency range for maximum power transfer

B. The difference between the highest and lowest frequencies of the oscillator

C. The separation of the half-power points

D. The frequency at which XL = XC

**Q9. Which is considered as the effect of a dielectric material?**

A. Increasing capacitance

B. Decreasing capacitance

C. Reducing the working voltage

D. Increasing the distance between the plates

**Q10. The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfer, the load voltage will be**

A. 60 V

B. 15 V

C. 20 V

D. 30 V