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A 50 A dc meter has a resistance of 300 ohm. How can it be used to measure a dc voltage of 10 volts full sacle deflection
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Explanation:EXAMPLE 7:DC OHMMETER A 1 mA full-scale deflection current meter movement is to be used in an ohmmeter circuit. The meter movement has an internal resistance, R m, of 100Ω, and a 3 V battery will be used in the circuit. If the measured resistor has resistance of 1kΩ, mark off the meter face for the reading (20%, 40%, 50%, 75% and 100%) . 30
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