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The water heating rod draws 10 A current when connected to certain power source. The resistance of rod is 12 Ω. The source voltage is:
  • a)
    1.2 V
  • b)
    120 V
  • c)
    1200 V
  • d)
    None of these
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The water heating rod draws 10 A current when connected to certain pow...
The correct answer is B as Ohm's law:
voltage=current x resistance=12x10=120 V
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Most Upvoted Answer
The water heating rod draws 10 A current when connected to certain pow...
The correct answer is B as Ohm's law:
voltage=current x resistance=12x10=120 V
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Community Answer
The water heating rod draws 10 A current when connected to certain pow...
According to Ohm's law V=IR where V=voltage, I= current, R=resistance
we have I=10A and R=12 ohm so, V= 10×12= 120V
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The water heating rod draws 10 A current when connected to certain power source. The resistance of rod is 12Ω. The source voltage is:a)1.2 Vb)120 Vc)1200 Vd)None of theseCorrect answer is option 'B'. Can you explain this answer?
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