Abattery is an electromechanical device. a)- true b)- false

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.

sorry what a asnns

explanation:

import math

x=int(input("enter a number: "))

print (math.sqrt(math.fabs(