Which is biggest and smallest cell in the world ?? dyan se world bola h human nhi ??

indian only apnee dimag se batana ​

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell