In flash photography, the energy used to make the flash is stored in a capacitor, which consists of two closely spaced conductors that carry opposite charges. If the amount of charge on the conductors is doubled, by what factor does the stored energy increase? (i)√2; (ii) 2; (iii) 2√2; (iv) 4; (v) 8.
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In flash photography, the energy used to
make the flash is stored in a capacitor,
which consists of two closely spaced conductors
that carry opposite charges. If the amount
of charge on the conductors is doubled, by
what factor does the stored energy increase?
(i)√2; (ii) 2; (iii) 2√2; (iv) 4; (v) 8.
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