In a $A C$ circuit the potential difference across an inductance and resistance joining in series are respectively $16 V$ and $20 V$ . The total potential difference across the circuit is:

20 V

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25.6 V

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31.9 V

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53.3 V

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Solution

The correct option is B $25.6 V$
Effective potential difference, $V = \sqrt{V_{L}^{2} + V_{R}^{2}}$

$= \sqrt{16^{2} + 20^{2}}$

$= \sqrt{656}$

$= 25.6 V$

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In a AC circuit the potential difference across an inductance and resistance joining in series are respectively 16 V and 20 V. The total potential difference across the circuit is:

The correct option is B 25.6 VEffective potential difference, V=√V2L+V2R =√162+202 =√656 =25.6 V

In a $A C$ circuit the potential difference across an inductance and resistance joining in series are respectively $16 V$ and $20 V$ . The total potential difference across the circuit is:

The correct option is B $25.6 V$
Effective potential difference, $V = \sqrt{V_{L}^{2} + V_{R}^{2}}$

$= \sqrt{16^{2} + 20^{2}}$

$= \sqrt{656}$

$= 25.6 V$