Question

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Unt 14 Current Electricity
NUMERICAL QUESTIONS
Asmall electric heater has a resistance of 15 ohms when the current
2 amperes. What voltage is required to produce this current?
If a potential difference of 10 V is maintained across a 1 m length of the
Nichrome wire having resistance of 3.10, what is the current in the wires
What resistor would have a 15 mA current if connected across the terms
of a 9.0 V battery?
Consider a circuit with three resistors R - 250.00, R, - 150.00, R = 350.00
connected in parallel with a 24.0-V battery. Find the total current supplier
by the battery
An electric hair dryer is rated at 1,875 watts when operating on 120 volte
What is the current flowing through it? If the hair dryer is used to
3 minutes, how much energy does it consume?
A battery with an emf of 12 V is connected to a 545 Q resistor. How mu​

Answer 1

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