The work done in moving a charge +Q across two points having a potential difference K is:
The work done (W) in moving a charge (+Q) across two points with a potential difference (V) is calculated using the formula:
W = Q × V
In this problem, the potential difference is given as K. Therefore, substituting V with K in the formula, we have:
W = Q × K
Thus, the work done in moving a charge +Q across two points with a potential difference K is:
QK
None of the options provided match this result, suggesting an error in the options. The correct calculation should yield:
QK
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Which of the following household items does NOT use the heating effect of current?
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If the resistance of a conductor is increased to three times, then the current will be: (voltage V remains constant)
