Engine : Electricity - 630/1386
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| If a digital multimeter set up to measure AC volts reads slightly above 'zero' when its leads are disconnected, what is this a result of? |
| A) capacitors inside the meter storing charges |
| B) 'ghost' voltages due to electromagnetic energy in the air |
| C) definite miscalibration of the meter |
| D) a poor ground for the meter case |
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