MCQOPTIONS
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MCQOPTIONS
| 1. |
A dc circuit can be represented by an internal voltage source of 50 V with an output resistance of 100 k ohm. In order to achieve 99 per cent accuracy for voltage measurement across its terminals, the voltage measuring device should have |
| A. | resistance of at least 10 M ohm |
| B. | resistance of 100 K ohm |
| C. | resistance of at least 10 ohm |
| D. | None of these |
| Answer» B. resistance of 100 K ohm | |