Ohm's Law Questions and Answers
Ohm’s Law questions with answers form an essential part of electronics aptitude questions and answers for competitive exams like GATE, DRDO, and ISRO. This fundamental principle relates voltage, current, and resistance in an electrical circuit, helping engineers analyze circuit behavior. Understanding and applying Ohm’s Law is vital for solving numerical problems in electrical and electronics engineering. These aptitude questions with solutions simplify real-world electrical applications and build confidence for placement tests. Through detailed explanations and practice problems, learners can master this core electronics concept effectively.
Ohm's Law
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16 questions
11. What electromotive force would cause 20 A of current to flow through a 500 omega.gif resistor?
- 0.04 V
- 2.5 V
- 25.0 V
- 10,000 V
12. What electromotive force would cause 20 A of current to flow through a 500 omega.gif resistor?
- 0.04 V
- 2.5 V
- 25.0 V
- 10,000 V
14. Power supplies are regulated to prevent the output voltage from changing due to changes in the
- line voltage
- supply load
- frequency
- both line voltage and supply load
15. If current through a resistance is halved
- the resistance is halved
- the voltage is halved
- the voltage doubles
- none of the above
16. Ohm's law is a relationship between
- voltage, current, and time
- power, current, and resistance
- resistance, time, and current
- voltage, current, and resistance