Most sensitive galvanometer is
A). elastic galvanometer
B). vibration galvanometer
C). Duddlb galvanometer
D). spot ballistic galvanometer
1. Hopkinson's test on D.C. machines is conducted at
2. Spring constant in force-voltage analogy is analogous to
5. The electrostatic instruments can be used without serious loss of accuracy up to ________ frequency
6. Overhead lines for power supply to tram cars are at a minimum height of
8. The NAND gate is AND gate followed by ___________.