If there are ‘M’ switches in parallel 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 mentionedI had been asked this question by my college director while I was bunking the class.Enquiry is from Logic Circuits in section The Foundation: Logics and Proofs of Discrete Mathematics

If there are ‘M’ switches in parallel numbered from 1, 2, …, M.

1.	If there are ‘M’ switches in parallel 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 mentionedI had been asked this question by my college director while I was bunking the class.Enquiry is from Logic Circuits in section The Foundation: Logics and Proofs of Discrete Mathematics
Answer» The correct ANSWER is (c) 1 v 2 v 3 v … v M should be on For EXPLANATION: ANYONE should be on in-order to complete the circuit.

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