A dual trace CRO has:
1). One electron gun
2). Two electron guns
3). One electron gun with one two pole switch
4). Two electron guns with one two pole switch
Which type of support is required for a Sensitive galvanometer?
1). Pivot support
2). Unilateral support
3). Suspension support
4). Pivot and unilateral support
The thermocouple instrument will measure
1). Current
2). Voltage
3). Flux
4). Both (1) and (2)
A ________ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly
1). Deflecting
2). Controlling
3). Damping
4). Any of the above
The kWh meter can be classified as an ________ instrument
1). Deflecting
2). Digital
3). Recording
4). Indicating