The source resistance from a 1.50 V D-cell is 1.5 ohms. The voltage that appears across a 75 ohms load will be1.47 V1.50 V1.53 V1.60 V
Question
The source resistance from a 1.50 V D-cell is 1.5 ohms. The voltage that appears across a 75 ohms load will be
- 1.47 V
- 1.50 V
- 1.53 V
- 1.60 V
Solution
To find the voltage that appears across the load, we can use Ohm's Law, which states that V = I * R, where V is the voltage, I is the current, and R is the resistance.
First, we need to find the current flowing through the circuit. We can use Ohm's Law again, but this time rearrange the formula to solve for current: I = V / R.
Given that the source voltage is 1.50 V and the source resistance is 1.5 ohms, we can substitute these values into the formula to find the current: I = 1.50 V / 1.5 ohms = 1 A.
Now that we know the current, we can find the voltage across the load. Again, using Ohm's Law, we have V = I * R. Substituting the values, we get V = 1 A * 75 ohms = 75 V.
Therefore, the voltage that appears across the 75 ohms load is 75 V.
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