1.

IF X joule of work must be done to move electric charge to 4C from a place, where potential is -10V to another place. Where potential is 5V, then the value of X….J.

Answer»

30
60
50
100

Solution :AMOUNT of work =`q(V_2-V_1)`
`=4[5-(-10)]=5 times 15`
`=60J=XJ`
`therefore X=60`


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