An Electrical Appliance Has a Resistance of 25 ω. When this Electrical Appliance is Connected to a 230 V Supply Line, the Current Passing Through It Will Be: (A) 0.92 a (B) 2.9 a (C) 9.2 a (D) 92 a - Science

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An electrical appliance has a resistance of 25 Ω. When this electrical appliance is connected to a 230 V supply line, the current passing through it will be:

(a) 0.92 A
(b) 2.9 A
(c) 9.2 A
(d) 92 A

 

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Solution

 (c) 9.2 A

Resistance = 25 Ω

Voltage = 230 V

Current = Voltage/Resistance

I = V/R

I = 230/25

I = 9.2 A

Thus, if an electrical appliance has a resistance of 25 Ω and when that electrical appliance is connected to a 230 V supply line, the current passing through it will be 9.2 A.

Concept: System of Resistors - Resistors in Series
  Is there an error in this question or solution?

APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 1 Electricity
Q 23
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