It might explode. It will certainly send toxic gasses into the environment.
The flashlight can not be turned on as it no power now.
The size of that battery can increase weight, but the size can improve burn time and brightness. Bigger batteries generally supply more power. If the volts are increased this increases the capacity for a brighter bulb. If the amps are increased this increases the burn time of the flashlight.
The battery ... without that it can't be a flashlight.
burn out the fuses
A battery is a source for electricity. A flashlight and a radio are not a source for electricity.
Noting will happen when you turn on the flashlight without battery.
The popular energy of flashlight are Rechargeable Li-on battery, Alkaline battery.
You cannot turn on a flashlight without battery inside. That's impossible if the only energy of flashlight is a battery.
When you flip a switch on a flashlight, you complete an electrical circuit that allows a current to flow from the battery to the light bulb. This causes the light bulb to emit light and illuminate the surroundings.
The reaction of chemicals in a battery to power a flashlight is a chemical change. This is because the chemicals in the battery undergo a chemical reaction to produce electricity, which powers the flashlight.
With an ordinary flashlight, no. The only time shaking a flashlight charges the battery is if it is the special kind of flashlight that you shake to charge. Mine is clear with a little metal cilinder indsiede that moves around when you shake it, and you can't open it to put a new battery in.
The negative electrode in a common flashlight battery is typically made of zinc.