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MEASUREMENT AND INSTRUMENTATION

Measurement and Instrumentation
When using ohmmeter, applied voltage is to be disconnected from the circuit because

None of these
Voltage source will increase resistance
Current will decrease resistance
The ohmmeter has its own internal battery

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Measurement and Instrumentation
A 10MHz CRO has

10MHz horizontal oscillator
5MHz sweep
10MHz supply frequency
10MHz vertical oscillator

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Measurement and Instrumentation
A CRO can display

DC signals
Time invariant signals
Both AC and DC signals
AC signals

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Measurement and Instrumentation
A galvanometer has

Air friction damping
Fluid friction damping
Spring coil damping
Eddy current damping

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Measurement and Instrumentation
A megger is usually

Hot-wire type instrument
Electro-static type instrument
Moving coil type instrument
Moving iron type instrument

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