Which of the following is a good tester for current flowing in the conductor?

Incandescent bulb

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Magnetic Compass

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Battery

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Room heater

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Solution

The correct option is B Magnetic Compass
Magnetic Compass needle shows deflection near a current carrying conductor. This can be used as one of the testing methods for current flowing in a conductor. It is effective because even a small current shows deflection.

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Which of the following is a good tester for current flowing in the conductor?

The correct option is B Magnetic CompassMagnetic Compass needle shows deflection near a current carrying conductor. This can be used as one of the testing methods for current flowing in a conductor. It is effective because even a small current shows deflection.

The correct option is B Magnetic Compass
Magnetic Compass needle shows deflection near a current carrying conductor. This can be used as one of the testing methods for current flowing in a conductor. It is effective because even a small current shows deflection.