The Electric Current I(In Amperes) In An Electric Circuit Varies Directly With The Voltage, . When 24 Volts Are Applied, The Current Is 9 Amp. Find Th

The electric current I(in amperes) in an electric circuit varies directly with the voltage

. When 24 volts are applied, the current is 9 amp. Find the current when 15 volts
are applied.

According to ohms law, $I\alpha V$

$I_{1} \alpha V_{1}$

$I_{2} \alpha V_{2}$

Divide both the equations above, we get

$\frac{I_{1}}{I_{2}} = \frac{V_{1}}{V_{2}}$

$\frac{9}{15} = \frac{24}{V_{2}}$

$V_{2} = 24. \frac{15}{9} = 24. \frac{5}{3}$

$V_{2} =$ 8 × 5 = 45 V

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