Answer:
screw is the answer of the question
Answer:
b)False
Explanation:
A battery is a device which store the energy in the form of chemical energy.And this stored energy is used according to the requirement.So battery is not a electromechanical device.Because it does have any mechanical component like gear ,shaft flywheel etc.
A flywheel is known as mechanical battery because it stored mechanical energy and supply that energy when more energy is required.Generally fly wheel is used during punching operation.
Answer:
diesel engine
Explanation:
because diesel is stronger than petrol
Answer:
Hence, the three effects of electric current are heating effect, magnetic effect and chemical effect.