Air-core coils are practically free from
A). Hysteresis losses
B). Eddy current losses
C). Both A and B
D). None of the above
1. Find the Thevenin equivalent (VTH and RTH) between terminals A and B of the circuit given below.
3. The internal resistance of an ammeter should be
4. The zero signal IC is generally ___________ mA in the initial stages of a transistor amplifier
6. The best place to install a capacitor is
7. The gate voltage in a JFET at which drain current becomes zero is called ___________ voltage
8. The main disadvantage of the Ward-Leonard control method is
10. In case of locomotives the tractive power is provided by