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Current & Resistance answers
- What is the current in a 160V circuit if the resistance is 2Ω? V= 160 I= 80 R= 2
- What is the current in a 160V circuit if the resistance is 20Ω? V=160 I= 8 R= 20
- What is the current in a 160V circuit if the resistance is 10Ω? V= 160 I= 16 R= 10
- What is the current in a 160V circuit if the resistance is 5Ω? V= 160 I= 32 R=5
- Based on questions 2, 3, and 4, what happens to the current in a circuit as the resistance decreases? Increases? It doubles each time.
- What voltage is required to move 6A through 5Ω? V=IR= 6Ix5Ω=30V
- What voltage is required to move 6A through 10Ω? V=IR = 6Ix10Ω=60V
- What voltage is required to move 6A through 20Ω? V=IR= 6Ix20Ω=120VΩ
- Based on questions 6, 7, and 8, what happens to the voltage required in a circuit as the resistance decreases? Increases? It increases, it doubles.
- What is the resistance of a circuit with three 5-volt batteries running at a current of 5A? 1R= 5V/5I
- An alarm clock draws 0.7 A of current when connected to a 120-volt circuit. Calculate its resistance. 171.4R= 12V/0.7I
- A Walkman uses four standard 1.5 V batteries. How much resistance is in the circuit if it uses a current of 0.02A 75R= 1.5V/0.02I