The e.m.f. of an Edison cell, when fully charged, is nearly
A). 1.4 V
B). 1 V
C). 0.9 V
D). 0.8 V
1. Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors?
2. The full-load copper loss of a transformer is 1600 W. At half-load, the copper loss will be
3. The switch board instruments
4. In a transistor ___________
5. The amplifier which has no drift is called as
6. The breakdown voltage for paper capacitors is usually
7. The insulating material should have
9. An open resistor, when checked with an ohmmeter reads
10. In a single phase rotary converter the number of slip rings will be