Correct option is B
The correct answer is (b) 250 joule.
Explanation:
The heat generated per second in an electric circuit due to current flowing through a resistance is given by Joule's Law. The formula for the heat generated is:
H= I2 Rt
Where:
- H is the heat generated (in joules),
- I is the current in amperes,
- R is the resistance in ohms,
- t is the time in seconds.
Substituting the given values into the formula:
H= (5)2x 10 = 250 Joules
Thus, the heat generated per second is 250 joules.
Information Booster:
- Joule's Law: The heat generated in a resistor is directly proportional to the square of the current and the resistance. This is why increasing either the current or the resistance results in more heat being produced.
Units:
- Joule is the SI unit of energy and is used to measure heat energy.
- In some cases, you might encounter heat energy being measured in calories. The conversion between joules and calories is:1calorie=4.18 Joules
- Therefore, 250 Joules is equivalent to approximately 59.8calories but since the answer options are in joules, the correct answer is 250 joules.250joules250 \, \text{joules}