**Q1. An average responding rectifier type electronic ac voltmeter has its scale calibrated in terms of the rms value of a sine wave, when a square wave voltage of peak magnitude 100V is measured using this voltmeter then the reading indicated by the meter, will be ?**

a) 111V

**b) 100V**

c) 90.09V

d) 70.7V

**Q2. A house served by a 220V supply light, is protected by a 9-Ampere fuse. The maximum number of 60 W bulbs in parallel that can be turned on is**

a) 11

**b) 33**

c) 22

d) 44

**Q3. Silicon has a preference in IC technology because**

(a) it is an indirect semiconductor

(b) it is a covalent semiconductor

(c) it is an elemental semiconductor

**(d) of the availability of nature oxide SiO**

**Q4. Three equal resistance of magnitude 5 Ohm each are connected in delta. The resistance between any two pair of terminals of the delta will be**

(a) 5 Ohm

(b) 5/3 Ohm

**(c) 10/3 Ohm**

(d) 3/5 Ohm

**Q5. The R.M.S. value of a half wave rectified sinusoidal alternating current with peak value Im is**

(a) Im / 1

(b) Im / v2

**(c) Im / 2**

(d) Im v3

**Q6. The unit which indicates the rate at which energy is expended?**

**A. Watt**

B. Ampere-hour

C. Coulomb

D. Volt

**Q7. The peak voltage in an ac wave is always**

A. greater than the average voltage

B. less than the average voltage

**C. greater than or equal to average voltage**

D. less than or equal to the average voltage

**Q8. When an electrical charge exists but there is no flow of current, the charge is said to be**

A. ionizing

B. electronic

**C. Static**

D. Atomic

**Q9. As the number of turns in a coil that carries ac increases without limit, the current in the coil will**

A. Eventually become very large

B. Stay the same

**C. Decrease, approaching zero**

D. Be stored in the core material

**Q10. As the number of turns in a coil increases, the reactance at a constant frequency**

**A. Increases**

B. Decreases

C. Stays the same

D. Is stored in the core material