A 4 Ω resistor has a specified maximum power dissipation of 784 W. Calculate its maximum current level.

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SSC JE Electrical 07 Jun 2024 Shift 3 Official Paper - 1
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  1. 16 A
  2. 196 A
  3. 14 A
  4. 10 A

Answer (Detailed Solution Below)

Option 3 : 14 A
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Detailed Solution

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Concept

The power across a resistor is given by:

where, P = Power

V = Voltage

R = Resistance

I = Current

Calculation

Given, P = 784 Watt

R = 4 Ω 

I = 14 A

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