The number of protons in a silicon atom are
A). 4
B). 8
C). 12
D). 14
2. Which of the following heating methods has maximum power factor?
3. Which medium has the least dielectric strength ?
4. A light bulb draws 300 mA when the voltage across it is 240 V. The resistance of the light bulb is
5. If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit
6. Induction heating takes place it which of the following?
7. The size of a synchronous motor decreases with the increase in
8. In a 15 V Zener diode , the breakdown mechanism will occur by ___________
9. A galvanometer is a meter that measures small amounts of voltage.