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Measurement and Instrumentation
A 10MHz CRO has
10MHz supply frequency
10MHz vertical oscillator
5MHz sweep
10MHz horizontal oscillator
10MHz supply frequency
10MHz vertical oscillator
5MHz sweep
10MHz horizontal oscillator
Answer
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Related Question
Measurement and Instrumentation
A mulliammeter can be used as
Wattmeter
Frequency meter
Ohmmeter
Voltmeter and ammeter
Wattmeter
Frequency meter
Ohmmeter
Voltmeter and ammeter
Answer
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Measurement and Instrumentation
If the instrument is to have a wide range, the instrument should have
Square-law scale
Linear scale
Logarithmic scale
Exponential scale
Square-law scale
Linear scale
Logarithmic scale
Exponential scale
Answer
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Measurement and Instrumentation
If an inductance L is connected in one arm of bridge and resistance R1, R2, R3 in other three arms
The bridge is balanced for some specified value of R1, R2, R3.
The bridge is balanced for some specified value of frequency.
The bridge can not be balanced.
The bridge can be balanced.
The bridge is balanced for some specified value of R1, R2, R3.
The bridge is balanced for some specified value of frequency.
The bridge can not be balanced.
The bridge can be balanced.
Answer
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Measurement and Instrumentation
When testing a coil having a resistance of 10 ohms, resonance occurred when the oscillator frequency was 10 MHz and rotating capacitor was set at 500/2π pF. The effective value of the Q of the coil is
54.2.
31.4.
25.4.
20.
54.2.
31.4.
25.4.
20.
Answer
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Measurement and Instrumentation
Instrument transformers are
Current transformers
Pottential transformers
Both current and potential transformers
Power transformers
Current transformers
Pottential transformers
Both current and potential transformers
Power transformers
Answer
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