In transistor amplifiers, we use ___________ transformer for impedance matching
A). Step up
B). Step down
C). Same turn ratio
D). None of the above
1. Short circuit test on transformers is conducted to determine
2. A centrifugal switch is used to disconnect starting winding when motor has
3. Self charge of a Ni-Fe cell is _____ Edison cell.
4. In dynamometer wattmeter the compensation coil
5. The materials are a bit inferior conductors of magnetic flux than air.
6. An OR gate has 6 inputs. The number of input words in its truth table are
7. In an open loop control system
8. The wattage rating for a ceiling fan motor will be in the range
9. Alternating current is measured by
10. Average value of a sine wave is 0.707 times the peak value.