• 1/3 ohms
• 3 ohms
• 27 ohms
• 9 ohms

• 50 V
• 1970 ohms
• 705 K ohms
• 20 Amps

• series
• Parallel
• #### 4.  How do you calculate resistance?

• Voltage X Current
• Current ÷ Voltage
• Voltage ÷ Current
• Current X Amps
• #### 5.  What would happen if in a circuit the voltage is increase?

• The time would increase
• The current would increase
• The current would decrease
• The current would stay the same

• Tesla's Law
• Edison's Law
• Ohm's Law

• Ω (Ohms)
• V (Volts)
• A (Amps)
• W (Watts)
• #### 8.  Why electrical wiring usually are covered with a layer of plastic?

• To make it look pretty
• To help electricity flow along the wire
• To make it safe
• #### 9.  What would happen if in a circuit, the resistance increases but the voltage stays the same?

• The current would decrease
• The current would increase
• The voltage would decrease
• The voltage would increase

• 25 Amps
• 35 amps
• 25 milliamps
• 35 milliamps

• 10Ώ
• 2500Ώ
• 550Ώ

• 10V
• 2.5V
• 7V
• 0.4V
• #### 13.  If lamp 1 is unscrewed from its holder, what will happen to lamp 2?

• It will get brighter
• It will stay the same brightness
• It will go out
• Nothing will happen

• 1/4 A
• 144 A
• 4 A
• 0.4 A

• 5V
• 0.2V
• 20V
• 200V
• #### 16.  In order to electrical current to flow through a wire the wire must be connected in a ____________ that includes a source of electrical current.

• averager matter
• Complete loop
• In an incomplete loop
• Interrupted Circuit

• 12 volts
• 24 volts
• 1.3333
• 48 volts
• #### 18.  What needs to be done to this circuit so that the lamp lights up?

• Close the switch
• Add a source and close the switch
• Add another lamp and a switch

• 15V
• 500V
• 500 kV
• 0.2V
• #### 20.  How do you calculate voltage?

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