Solved

If a Lamp Transforms 120 Joules of Energy into Light

Question 18

Multiple Choice

If a lamp transforms 120 joules of energy into light and heat every 2 seconds, how much power does it use?

A) 240 W
B) 480 W
C) 120 W
D) 60 W

Related Questions

Q13: A voltage drop is:<br>A) called a difference

Q14: 50 mA of current flows through a

Q15: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7279/.jpg" alt=" -If you installed

Q16: One kilowatt-hour is equivalent to:<br>A) 1.0 ×

Q17: A 5.1 kΩ resistor has burned out

Q19: What is the kilowatt-hour consumption of a

Q20: Voltage in a circuit is 100 V,

Q21: A power supply provides a continuous 200

Q22: Which of the following is NOT a

Q23: How much power does a 50 V