current flows and we have light from bulb....
When a torch is switched on, the electrical energy from the battery is converted to light energy and heat energy. The electrical energy powers the light source (such as LEDs or a bulb) to produce light, and a small portion of the energy is also dissipated as heat.
when a light bulb is switched on it will blown..............
If your torch has an incandescent bulb in it, the resistance of the wire in the bulb generates enough heat that light is created. If your torch has an LED bulb, the PN junction in the diode creates light when the diode is forward-biased.
When a torch is switched on, the electrical energy stored in the battery is converted into light and heat energy by the bulb. The electrical energy flows through the circuit and causes the bulb’s filament to heat up, emitting light as a result of this process.
Chemical energy becomes light and heat energy.
they carry on in the night.
the information is lost after power is switched off.
they carry on in the night.
The currents flow through the torch and we get light from the torch
The torch is put out.
It will return to pointing North.
As the scissors move closer to the torch, the shadow cast by the scissors will become larger and more defined. This is because the light source (torch) is closer to the object (scissors), causing the shadow to appear more prominent.