“Sextant” is an instrument to determine:
- (A) The sexuality in lower animals
- (B) The blood pressure of animals
- (C) The angular distance between two objects
- (D) The type of strains in algae and fungi
- (C) The angular distance between two objects
A device which converts mechanical energy into electrical energy is called:
- (A) Transformer
- (B) DC Motor
- (C) Generator
- (D) Capacitor
- (C) Generator
To measure the value of current flowing in a circuit which device is used?
- (A) Ammeter
- (B) Galvanometer
- (C) Voltmeter
- (D) Speedometer
- (A) Ammeter
What splits light into its spectrum?
- (A) Lactometer
- (B) Spectrometer
- (C) Hygrometer
- (D) Stereoscope
- (B) Spectrometer
Which instrument is used to measure minute electrical currents?
- (A) Manometer
- (B) Hydrometer
- (C) Ammeter
- (D) Galvanometer
- (D) Galvanometer
‘Microphone’ is used to covert sound waves into:
- (A) Potential energy
- (B) Kinetic energy
- (C) Electrical energy
- (D) Mechanical energy
- (C) Electrical energy
What is the name of the device used to convert alternating current (AC) into direct current (DC)?
- (A) Ammeter
- (B) Galvanometer
- (C) Rectifier
- (D) Transformer
- (C) Rectifier
What is the name of the device used to convert direct current (DC) into alternating current (AC)?
- (A) Voltmeter
- (B) Inverter
- (C) Ammeter
- (D) Rectifier
- (B) Inverter
‘Chronometer’ is used to measure:
- (A) Velocity
- (B) Pressure
- (C) Time
- (D) Current
- (C) Time
The device used for measurement of potential difference is known as:
- (A) Hydrometer
- (B) Voltmeter
- (C) Ammeter
- (D) Thermometer
- (B) Voltmeter