Ohm's law

How many Volts would it take to push 1 Amp through a resistance of 1 Ohm

• 10 volts
• 1 volt
• 48 volts
• 5 volts

If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor

• 2.1 Amps
• 2.4 Amps
• 1.71 Amps
• 15 Amps

A HID lighting circuit operates at 75 Volts what is the circuit current flow if the resistance is 5 Ohms

• 375 Amps
• 30 Amps
• 15 Amps
• 1.33 Amps

What is resistance measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What is Resistance?

• The flow of electrons
• Electric potential difference
• A battery
• The ability to reduce the flow of electrons

What is current measured in?

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)

What letter represents Current?

• A
• I
• R
• E

Tags

NGSS.HS-PS2-5

How do you calculate voltage?

• Current X Resistance
• Resistance ÷ Current
• Current ÷ Resistance
• Measure it with a ruler

How do you calculate current

• Resistance X Voltage
• Voltage X Resistance
• Resistance ÷ Voltage
• Voltage ÷ Resistance

A 20-volt relay has a coil resistance of 200 ohms. How much current does it draw?

• 400 amps
• 100 amps
• .1 amps
• .5 amps