When the light bulb is place in the circuit, the circuit is complete and turning the crank will generate a current and light the bulb. If we use the left hand rule on the electron flow, we point our f...When the light bulb is place in the circuit, the circuit is complete and turning the crank will generate a current and light the bulb. If we use the left hand rule on the electron flow, we point our fingers in the direction of the field and our thumb in the direction of electron movement and the palm of our hand indicates the direction of the force – UP !
