The material of the heating element for a furnace should have
A). Lower melting point
B). High specific resistance
C). High specific resistance
D). All of the above
2. Which of the following is the first active satellite?
3. A magnetic field exits around
4. Which of the following amplifier circuit using junction transistor has the best gain?
6. Number of tapings for each equalizer ring is equal to
7. The resistance of LDR ____________ when exposed to radiant energy.
9. High tension cables are generally used up to
10. Vout = 500 mV, and Vin = 1.3 V. The ratio Vout/ Vin expressed in dB is