Penny Battery Power: Exciting DIY Experiments and Activities for Kids
A penny battery, made of four cells, generates over 2.4 volts. This power can light a red LED, which needs about 1.7 volts. Stacking three cells easily lights the LED. Knowing the energy output helps in practical applications, especially in simple electronic projects. Use a voltmeter to measure the voltage generation. The activity encourages problem-solving … Read more