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Q.

Observe the following electric circuit with Switches A,B,C; identical BatteriesV1,V2 ; and identical Bulbs

Question Image

i) A open, B open, C closed                 a) Q glows with maximum brightness

ii) A closed, B closed, C open            b) Only P glows

iii) A closed, B open, C open              c) Only Q glows

iv) A open, B closed, C closed            d) Both P, Q glows with same                   

                                                                         brightness

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a

i - d ,ii - c, iii - a, iv – b

b

i - b ,ii - a, iii - c, iv – d

c

i - d ,ii - a, iii - b, iv – c

d

i- c ,ii - d, iii - b, iv – a

answer is A.

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Detailed Solution

i) A open, B open, C closed  Only Q glows

ii) A closed, B closed, C open  Both P, Q glows with same brightness

iii) A closed, B open, C open  Only P glows

iv) A open, B closed, C closed  Q glows with maximum brightness

So, Option ‘1’ is the correct answer

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