Calculating Resistance

What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts

• 15 Ohms

• 4 Ohms

• 0.3333 Ohms

• 2 Ohms

A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance

• 58 Amps

• 0.33 Amps

• 13 Amps

• 1 Amp

The table describes four different resistance wires. They are all made from the same metal. Which wire has the smallest resistance?

• A

• B

• C

• D

The circuit shown contains a battery, a 6.0 Ω resistor and two meters X and Y.

One meter records current and one meter records potential difference.

• meter X : 2.0 A

  meter Y : 12.0 V

• meter X : 2.0 V

  meter Y : 1.0 A

• meter X : 12.0 A

  meter Y : 2.0 V

• meter X : 12.0 V

  meter Y : 2.0 A

The formula for resistance is ____

• R = I/V

• R = 1/VI

• R = V/I

• R = VI

The total resistance in this circuit is 

• 100 ohms

• 450 ohms

• 400 ohms

• 30 ohms

If an electric ceramic brush has a current of 0.3 amps and a voltage of 120 volts, what is the resistance?

• 18Ω

• 36Ω

• 200Ω

• 400Ω

The current in amps of Adrienne's circuit is 0.08 amps. The voltage is 120 volts. What is the resistance?

• 1500 Ohm's

• 9.6 Ohm's

• 12.5 Ohm's

• 120 Ohm's

Which equation can be used to calculate the resistance R of a resistor?

• V = I / R

• I = V x R

• R = V x I

• V = I x R

How are the ammeter and the voltmeter connected?

• the voltmeter and ammeter in parallel with the component

• the voltmeter and ammeter in series with the component

• the voltmeter in parallel with the component and the ammeter in series with the component

• the voltmeter in series with the component and the ammeter in parallel with the component