Electrical Engineering Multiple Choice – Electrical Measurement MCQs Part 5
Contents
In order to handle greater currents induction watt-meters are used in conjunction with
In order to handle greater currents induction watt-meters are used in conjunction with
- Current transformers
- Distribution transformers
- Potential transformers
- Power transformers
Correct answer: 1. Current transformers
When using ohmmeter, voltage source is disconnected from the circuit because
When using ohmmeter, voltage source is disconnected from the circuit because
- Current will decrease resistance
- The ohmmeter has its own internal battery
- Voltage source will increase resistance
- None of these
Correct answer: 2. The ohmmeter has its own internal battery
A 10 MHz CRO has
A 10 MHz CRO has
- 10 MHz horizontal oscillator
- 10 MHz supply frequency
- 10 MHz vertical oscillator
- 5 MHz sweep
Correct answer: 1. 10 MHz horizontal oscillator
A CRO can display
A CRO can display
- AC signals
- DC signals
- Both of these
- None of these
Correct answer: 3. Both of these
The galvanometer has
The galvanometer has
- Air friction damping
- Eddy current damping
- Fluid friction damping
- Spring coil damping
Correct answer: 2. Eddy current damping