What is the Voltage of a circuit that has a resistance of 50 and a current of 2 A? A 25 V
B. 107
C. 2.5 V
D. 0.4V

Shelly experiences a backward jolt when the driver starts the school bus. which of the following explains this phenomenon? a. the inertia of shelly b. the inertia of the bus c. the normal force of the seats on shelly d. the net force acting on shelly in a backward direction e. a zero net force acting on shelly

What are the north and south poles of a solenoid change with?

What can you increase the strength of an electromagnet by