More than 1300 planets the size of earth could fit inside of this planet
A transformer has 150 turns on the primary coil and is connected to a 120 volt power source How many turns will be needed on the secondary coil to provide a secondary voltage of 40 volts
Loops of wire that turn in the magnetic field of an armature create current
A string of 15 Christmas tree lights is connected in series to a 90 volt power source What is the value of the resistance of each light if the current flowing through the circuit is 2 amps
Why does quartz resist chemical weathering more than any other common material
Three 15 ohm resistors are connected in parallel to a 30 volt battery What is the equivalent resistance through the circuit