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Questions and Answers
In an isothermal process where an ideal gas does 2000 J of work on its environment, how much heat is added?
In an isothermal process where an ideal gas does 2000 J of work on its environment, how much heat is added?
- 1000 J
- -2000 J
- Zero
- 2000 J (correct)
To form an AND gate, how many NAND gates are required?
To form an AND gate, how many NAND gates are required?
- 3
- 4 (correct)
- 2
- 5
A copper disc rotates at 20Ï€ rad/s in a magnetic field. What is the potential difference between the axis and the rim?
A copper disc rotates at 20Ï€ rad/s in a magnetic field. What is the potential difference between the axis and the rim?
- 0.04Ï€V
- 0.01Ï€V
- 0.05Ï€V (correct)
- 0.02Ï€V
If a body absorbs 4000 J of heat and has absorption coefficient of 0.54, what is the transmitted heat if the reflection coefficient is 0.16?
If a body absorbs 4000 J of heat and has absorption coefficient of 0.54, what is the transmitted heat if the reflection coefficient is 0.16?
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If a Carnot engine with an efficiency of 0.6 rejects 20 J of heat to the sink, how much work is done by the engine?
If a Carnot engine with an efficiency of 0.6 rejects 20 J of heat to the sink, how much work is done by the engine?
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