What is Kirchoff's first law?
The sum of multiple currents going into a junction equals the sum of the currents leaving it. I1 + I2 = I3
LW
Related Physics A Level answers
All answers ▸Explain the forces involved in a pendulum set up.
Calculate the frequency of a simple pendulum of length 950 mm. Give answer to an appropriate number of significant figures.
State Faraday's law of electromagnetic induction
A metal detector consists of a battery providing an alternating current to a transmitter coil and a receiver coil connected to a loudspeaker. Using Faraday's Law of Induction explain how a metal detector works. (5 marks)