A 250V bulb passes a current of 0.3A. Calculate the power in the lamp. – McqOptions

MCQOPTIONS

1.	A 250V bulb passes a current of 0.3A. Calculate the power in the lamp.
A.	75W
B.	50W
C.	25W
D.	90W
Answer» B. 50W

Discussion

No Comment Found

Related MCQs

The SI unit of power is?
Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours.
Calculate the power across each 10 ohm resistance.
Calculate the power across each 20 ohm resistance.
A current of 5A flows in a resistor of 2 ohms. Calculate the energy dissipated in 300 seconds in the resistor.
Calculate the power in the 20 ohm resistance.
The force required to tow a vehicle at constant velocity is directly proportional to the magnitude of velocity raised to the first power. It requires 1000 W to tow with a velocity of 10 m/s. How much power is required to tow at a velocity of 8 m/s?
A body of mass 3 kg starts from rest with a uniform acceleration of unknown magnitude. If the body has a velocity of 30 m/s in 6 seconds, what is the power consumed in 3 seconds?
A 200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 36 km/h. How much power is delivered by the engine if the frictional force is 25% of the weight of the car? (Assume g = 10m/s2)
A 200 kg wagon climbs up a hill of slope 30-degrees in 1 minute at a speed of 10 m/s. How much power is delivered by the engine? (Assume g = 10m/s2)