Device used to measure potential difference between two points in a circuit is ?
Ammeter
Galvanometer
Voltmeter
None of above
Answer: Option C
Similar Questions :
1. Name of the instrument to measure atomspheric pressure ?
Barometer
Barograph
Bolometer
Callipers
Answer: Option A
Explanation:
Barograph - Recordings of atmospheric pressure,
Bolometer - Used to measure heat radiation,
Callipers - Used to measure inner and outer diameters of bodies.
2. Electric Motor converts
Electrical energy into mechanical energy
Mechanical energy into Electrical energy
Electrical energy into light energy
None of above
Answer: Option A
3. Lognitudinal waves and Transverse waves are types of ?
Mechanical waves
Non-Mechanical waves
Both of above
None of Above
Answer: Option A
4. Which instrument is used to measure strength of direct current ?
Stroboscope
Streoscope
Tangent Galvanometer
Tachometer
Answer: Option C
Explanation:
Stroboscope - is used to view rapidly moving objects,
Streoscope - is used to view two dimensional pictures,
Tachometer - is used to determine rotational speed of a shaft (used in aeroplanes and motor boats).