MCQOPTIONS
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MCQOPTIONS
| 1. |
If there are ‘M’ switches in series numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary |
| A. | 1∧ 2∧ 3 ∧ … ∧M should be on |
| B. | 1∧ 2∧ 3 ∧ … ∧M should be off |
| C. | 1 v 2 v 3 v … v M should be on |
| D. | None of the mentioned |
| Answer» B. 1‚Äö√Ñ√∂‚àö‚Ć‚àö√º 2‚Äö√Ñ√∂‚àö‚Ć‚àö√º 3 ‚Äö√Ñ√∂‚àö‚Ć‚àö√º ‚Äö√Ñ√∂‚àö√묨‚àÇ ‚Äö√Ñ√∂‚àö‚Ć‚àö√ºM should be off | |