Under what condition current passing through the resistance R can be increased by short circuiting the battery of emf E2. The internal resistances of the two batteries are r1 and r2 respectively.
A
E2r1>E1(R+r2)
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B
E1r2>E2(R+r1)
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C
E2r2>E1(R+r2)
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D
E1r1>E2(R+r1)
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