Solution-What is the resistance of the heating coil

What is the resistance of the heating coil

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Reference no: EM13963302

1. If a lamp is measured to have a resistance of 45 ohm when it operates at a power of 80 W, what is the current in the lamp?

A. 2.10 A

B. 1.3 A

C. 0.91 A

D. 0.83 A

2. If a lamp has a resistance of 120 ohm when it operates at a power of 1.00 x 10^2 W, what is the potential difference across the lamp?

a. 110 V

b. 120 V

c. 130 V

d. 220 V

3. An electric toaster requires 1100 W at 110 V. What is the resistance of the heating coil?

a. 7.5 ohm

b. 9.0 ohm

c. 1.0 x 10^1 ohm

d. 11 ohm

Reference no: EM13963302

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What is the resistance of the heating coil

Reference no: EM13963302

Reference no: EM13963302

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