What voltage will develop 0.75W of power if 30mA flows through a component?
Question
What voltage will develop 0.75W of power if 30mA flows through a component?
Solution 1
To find the voltage, we can use the formula for power which is:
P = IV
where: P is power (in watts), I is current (in amperes), and V is voltage (in volts).
We can rearrange the formula to solve for voltage:
V = P / I
Given that P = 0.75W and I = 30mA = 0.03A, we can substitute these values into the formula:
V = 0.75W / 0.03A = 25V
So, the voltage that will develop 0.75W of power if 30mA flows through a component is 25 volts.
Solution 2
To find the voltage, we can use the formula for power which is:
P = IV
where: P is power (in watts), I is current (in amperes), and V is voltage (in volts).
We can rearrange the formula to solve for voltage:
V = P / I
Substituting the given values:
V = 0.75W / 30mA = 0.75W / 0.03A (since 1A = 1000mA)
V = 25V
So, the voltage that will develop 0.75W of power if 30mA flows through a component is 25 volts.
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