Open App

JAMB Exam > JAMB Videos > Physics for JAMB > AC Voltage Applied to a Resistor - 1

AC Voltage Applied to a Resistor - 1 Video Lecture | Physics for JAMB

FAQs on AC Voltage Applied to a Resistor - 1 Video Lecture - Physics for JAMB

1. What is AC voltage?

Ans. AC voltage, or alternating current voltage, refers to the type of electrical voltage that constantly changes in both magnitude and direction over time. It is typically represented by a sine wave and is commonly used in household electrical systems.

2. What is a resistor?

Ans. A resistor is an electrical component that is designed to resist the flow of electric current. It is often used to control the amount of current in a circuit or to reduce the voltage level. Resistors are typically made of materials with high resistance, such as carbon or metal alloys.

3. How does AC voltage affect a resistor?

Ans. When AC voltage is applied to a resistor, the resistor experiences a constantly changing voltage and current. The magnitude and direction of the voltage and current vary with time, following the pattern of the AC waveform. The resistor will dissipate energy in the form of heat, proportional to the square of the current flowing through it, according to Ohm's Law.

4. What happens to the resistance of a resistor when AC voltage is increased?

Ans. The resistance of a resistor remains constant regardless of the voltage applied. The resistance value is determined by the physical properties of the resistor material and its dimensions. Increasing the AC voltage applied to a resistor will result in a higher current flowing through the resistor, according to Ohm's Law, but the resistance itself does not change.

5. Can a resistor handle any level of AC voltage?

Ans. Resistor specifications usually indicate a maximum voltage rating that the resistor can handle. Exceeding this voltage rating may cause the resistor to overheat or even fail. It is important to select a resistor with a voltage rating suitable for the application to ensure safe and reliable operation.

Related Exams

JAMB Grade 12 SSS 3 A Level Year 13 ENGAA Class 12 JEE

About this Video

4.96/5 Rating

May 20, 2025 Last updated

Video Description: AC Voltage Applied to a Resistor - 1 for JAMB 2025 is part of Physics for JAMB preparation. The notes and questions for AC Voltage Applied to a Resistor - 1 have been prepared according to the JAMB exam syllabus. Information about AC Voltage Applied to a Resistor - 1 covers all important topics for JAMB 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for AC Voltage Applied to a Resistor - 1.

Introduction of AC Voltage Applied to a Resistor - 1 in English is available as part of our Physics for JAMB for JAMB & AC Voltage Applied to a Resistor - 1 in Hindi for Physics for JAMB course. Download more important topics related with notes, lectures and mock test series for JAMB Exam by signing up for free.

Description

Video Lecture & Questions for AC Voltage Applied to a Resistor - 1 Video Lecture | Physics for JAMB - JAMB full syllabus preparation | Free video for JAMB exam to prepare for Physics for JAMB.

Information about AC Voltage Applied to a Resistor - 1

Here you can find the meaning of AC Voltage Applied to a Resistor - 1 defined & explained in the simplest way possible. Besides explaining types of AC Voltage Applied to a Resistor - 1 theory, EduRev gives you an ample number of questions to practice AC Voltage Applied to a Resistor - 1 tests, examples and also practice JAMB tests.

	Physics for JAMB 261 videos\|249 docs\|232 tests

Physics for JAMB

261 videos|249 docs|232 tests

Join Course for Free

Explore Courses for JAMB exam