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Measurement and Instrumentation
A Lissajous pattern on an oscilloscope has 5 horinzontal tangencies and 2 vertical tangencies. The frequency of horizontal input is 100 Hz. The frequency of the vertical will be
250 Hz.
400 Hz.
500 Hz.
625 Hz.
250 Hz.
400 Hz.
500 Hz.
625 Hz.
Answer
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Related Question
Measurement and Instrumentation
The ratio of change in output to the change in the input is called
repeatability
sensitivity
precision
resolution
repeatability
sensitivity
precision
resolution
Answer
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Measurement and Instrumentation
In a megger controlling torque is provided by
Coil
Spring
Eddy current
Gravity
Coil
Spring
Eddy current
Gravity
Answer
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Measurement and Instrumentation
Standard resistor ia made from
Platinum
Silver
Manganin
Nichrome
Platinum
Silver
Manganin
Nichrome
Answer
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Measurement and Instrumentation
The meter constant of an energy meter is 1500 rev/kWh, the disc makes 3000 revolution in a given time. The energy consumed is
3 kWh
2 kWh
1 kWh
4 kWh
3 kWh
2 kWh
1 kWh
4 kWh
Answer
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Measurement and Instrumentation
The range of a moving iron ac ammeter is extended by
A shunt
A multiplier
None of the listed here
Changing number of turns of operating coil
A shunt
A multiplier
None of the listed here
Changing number of turns of operating coil
Answer
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