1. Three 25.0-ohm resistors are connected in series across a 60.0-V battery.
(a.) What is the equivalent resistance of the circuit?
(b.) What is the current in the circuit?
(c.) What is the voltage drop across each resistor?
2. A 12-ohm resistor and a 2-ohm resistor are connected in series across a battery. The current in the circuit is 0.90 A.
(a.) What is the voltage of the battery?
(b.) What is the voltage drop across the 12-ohm resistor?
3. If you connect in series three resistors with the values of 16-ohm, 22-ohm, and 32-ohm, what value must the fourth resistor have for the equivalent resistance to equal 83-ohm?
4. A 15-ohm, 10-ohm, and 6-ohm resistors are connected in series across a 10-V battery.
(a) Find the total resistance in the circuit,
(b) the total current through the circuit, and
(c) the voltage drop across each resistor.