Advertisements
Advertisements
Question
In an electric cell while in use, the change in energy is from ______.
Options
Electrical to mechanical
Electrical to chemical
Chemical to mechanical
Chemical to electrical
Solution
In an electric cell while in use, the change in energy is from chemical to electrical.
RELATED QUESTIONS
What are the various energy transformations that occur when you are riding a bicycle?
State the energy changes in the following while in use A loudspeaker .
State the energy changes that occur in the following :
The unwinding of a watch spring.
State the energy changes in the following case while in use:
Microphone
State the energy changes in the following case while in use:
Burning coal
Avinash can run with a speed of 8 m s–1 against the frictional force of 10 N, and Kapil can move with a speed of 3 m s–1 against the frictional force of 25 N. Who is more powerful and why?
A boy is moving on a straight road against a frictional force of 5 N. After travelling a distance of 1.5 km he forgot the correct path at a roundabout (Fig. 11.1) of radius 100 m. However, he moves on the circular path for one and half-cycle and then he moves forward up to 2.0 km. Calculate the work done by him.
Can any object have mechanical energy even if its momentum is zero? Explain.
Can any object have momentum even if its mechanical energy is zero? Explain
If an electric iron of 1200 W is used for 30 minutes every day, find electric energy consumed in the month of April.