A. watt
B. horse power
C. kilo watt
D. kilowatt hour
Related Mcqs:
- ________________ cells converts solar energy into electrical energy?
A. rotory
B. photovoltaic
C. galvanic
D. non of these - Electrical energy is converted to heat at the rate of___________________?
A. IRt
B. I2R
C. I2Rt
D. VIt - The velocity of sound is greatest in___________________?
A. Water
B. air
C. copper
D. ammonia - An immersion heater of 400 watts kept on for 5 hours will consume electrical power of __________________?
A. 2KWh
B. 20KWh
C. 6KWh
D. 12KWh - All electrical appliances are connected in parallel to each other between the main line and neutral wire to get ______________________?
A. same current
B. same current and potential difference
C. different current but same potential difference
D. different current and potential differences - Geothermal energy is a _______________________ source of energy?
A. non-renewable
B. stable
C. renewable
D. none of the above - In normal state of energy the incident high energy photons will be______________?
A. Stimulated
B. Absorbed
C. Cause X-ray emission
D. Cause laser production - With increase in temperature the electrical conductivity of intrinsic semi conductor___________________?
A. Decreases
B. Increases
C. Remains same
D. First increases then decreases - When we excite some atoms by heat collision or electrical discharge they will________________?
A. radiate electromagnetic energy with a continuous distribution of wavelength
B. absorb particular wavelengths when white light is incident on them
C. radiate electromagnetic energy of discrete characteristic wavelength
D. emit either invisible or visible light - If electrical conductivity increases with the increase of temperature of a substance, then it is a:
A. Semiconductor
B. Conductor
C. Insulator
D. None of the aboveSubmitted by: Naveed Tahir
