Series circuits and ohms law

What is the unit for current?

• Ampere

• Watt

• Volt

• Ohm

What is the unit for resistance?

• Watt

• Joule

• Ohm

• Volt

12. An overhead wire has a potential difference of 30,000 volts. If the current flowing through the wire is 1,000 amperes, what is the resistance of the wire?

• 0.033 ohms

• 30 ohms

• 3.0 x 10^7 ohms

• 3.0 x 10^8 ohms

If the potential difference is 12 volts and the resistance is 5 ohms, what is the current?

• 2.4 A

• 60 A

• 0.417 A

• 17 A

The following type of circuit has the current travelling in only one continuous pathway.

• series

• parallel

This is most likely a calculation for total resistance in a ________________circuit

• parallel

• series

What is the current of a series circuit with values of 5, 9, 17 ohms, with a battery of 12V

• 0.3871

• 3870.0

• 372.0

• 4.4395

Find the voltage across R₁

• 12 V
• 4V
• 3V
• 2K

Three resistors, $R_A=10\ \Omega$  , $R_B\ =20\ \Omega$  , and  $R_C\ =\ 25\ \Omega$  , are connected in SERIES. The total resistance of this setup is equal to _____.

•  $0.19\ \Omega$  

•  $5.26\ \Omega$  

•  $18.33\ \Omega$  

•  $55\ \Omega$  

Solve for the total resistance of the circuit shown

• 50 V

• 1970 ohms

• 705 K ohms

• 20 Amps