Physics Current Electricity ETEA 2023
PMDC Verified Question 36 of 112
1 volt \(\times\) 1 ampere is equal to:
A
1 coulomb
B
1 newton
C
1 watt
D
1 hp
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option C: 1 watt
Concept:

The product of voltage and current equates to electrical power.

Formula:

$$ P = V \times I $$

Solution:

  • The unit of Potential Difference \( V \) is Volts.


  • The unit of Current \( I \) is Amperes.


  • The resulting unit of Power \( P \) is Joules per second, universally known as the Watt.


  • Thus, 1 Volt \(\times\) 1 Ampere = 1 Watt.


Why other options are incorrect:

  • Opt A: Coulomb is Ampere \(\times\) Second.


  • Opt B: Newton is a unit of mechanical force.


  • Opt D: 1 hp (horsepower) equals exactly 746 Watts, not 1 Watt.

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