capacitors

a 5uF capacitor is charged to 12v . the +ve plate of the capacitor is now connected to the -ve terminal of the battery and vice versa. calculate the heat developed in the connecting wires

3 Answers

3
iitimcomin ·

12*5*12 = 60*12 = 720

1
smsm ·

no the ans is 1.44mJ

3
iitimcomin ·

yep im sorry i forgot to multiply by 2 .......in #2(now edited ) .....

see we need to transport a charge of 5*12*2 thru a pd of 12 .....

but pot. engy of system rem. same ...........

1440 micro J or 1.440 mJ

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