Q. Which of the following devices can be used with both AC and DC?

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Q. How many electrons are contributed in one coulomb electric charge?

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Q. In a conductor after 1 minute of electron passage, current flown is found to be 1mA. How many electrons would have passed through that conductor?

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Q. Which of the following can be treated as an equivalent of ampere?

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Q. What will be the average value of current, if its peak value is 43A?

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Q. Using a low resistant shunt Moving coil, permanent magnet instrument can be converted to ______________

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Q. An induction meter can handle current up to __________

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Q. Which of the following effect is used in AC ammeters?

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Q. A Multimeter is used to measure ___________

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Q. Which of the following device can be used to measure low voltage?

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Q. Which of the following applications are electrostatic instruments suited for?

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Q. Which of the following unit is used to express the sensitivity of analog voltmeter?

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Q. In a CRO what is the purpose of the blanking circuit?

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Q. Who invented the first digital voltmeter?

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Q. Which of the following can be the range of input impedance of voltmeter?

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Q. What is the purpose of a differential amplifier in voltmeter?

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Q. In a CRO to which part saw tooth waveform is applied?

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Q. What will be the sensitivity of a volt meter with 0 to 7mA meter movement?

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Q. Who invented the Wheatstone bridge?

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Q. In a Wheatstone bridge, which of the following is used as a null detector?

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