In order that a hydrometer may float vertically in electrolyte its C.G. should be
A). lowered
B). raised
C). undisturbed
D). displaced sideways
2. A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to
3. Find the current through R1 in the given circuit.
4. Charging a sulphated battery at high rate results in
5. The input capacitor in an amplifier is the ___________ capacitor
6. To measure a resistance with the help of a potentiometer it is
7. The carbon percentage is least in
8. For both lap and wave windings, there are as many commutator bars as the number of