Question

The heat produced in a wire of resistance ‘x’ when a current ‘y’ flows through it in time ‘z’ is given by :; A. x2 x y x z; B. x × z x y2; C. y x z2 x x; D. y x z x x

Answer 1

Answer:

(C) $x \times y^{2} \times z$

Explanation:

From the given data of the question,

Resistance = ‘x’

Current  = ‘y’

Time = ‘z’

According to Ohm's law:

Voltage = Resistance × Current

On putting the given value in this formula we get,

Voltage = Resistance × Current

∴ V = xy

Heat produced in a wire $=I^{2} \times R \times t$

                                         $=y^{2} \times x \times z$

Therefore,

The heat produced in a wire of resistance ‘x’ when a current ‘y’ flows through it in time ‘z’ $=y^{2} \times x \times z$

Hence, the correct option is (B).

                                       

Answer 2

Explanation:

answer c is correct

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