Calculate the current drawn

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Reference no: EM131340460

1. Two 560 Ω resistors are placed in series across a 400 V supply. Calculate the current drawn.

2. When four identical hotplates on a cooker are all in use, the current drawn from a 240 V supply is 33 A. Calculate

(a) the resistance of each hotplate,

(b) the current drawn when only three plates are switched on. The hotplates are connected in parallel.

Reference no: EM131340460

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