A. Perpendicular to the electric field
B. Perpendicular to both electric and magnetic field
C. Perpendicular to the magnetic field
D. Parallel to electric and magnetic field
✅ The correct answer is option B.
Physics MCQs
Prepare effectively with our Physics MCQs with answers and explanations for exams and job tests. Our collection covers key topics such as mechanics, thermodynamics, optics, electricity and magnetism, modern physics, waves, and quantum theory. These multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, CSS, PMS, university entry tests, and physics-related job assessments. Practice online to strengthen your concepts, improve problem-solving skills, and excel in exams with our updated Physics MCQs
142. A wire having a very high value of conductance is said to be
A. Very good conductor
B. Moderately good conductor
C. An insulator
D. No specific criterion available
✅ The correct answer is option A.
143. A.C cannot be used for
A. Producing heat
B. Producing light
C. Magnetizing and electroplating
D. All the above
✅ The correct answer is option C.
144. An electromagnetic wave consists of
A. Electric and magnetic fields moving parallel to each other
B. Magnetic field moving with the velocity of light in space
C. Electric field moving with the velocity of light
D. Electric and magnetic fields moving perpendicular to each other
✅ The correct answer is option D.
145. A wire of uniform area of cross-section A length L and resistance R is cut into two parts. The resistivity of each part
A. Remains the same
B. Is doubled
C. Is halved
D. Becomes zero
✅ The correct answer is option A.
146. Which of the following works on torque on the current carrying conductor placed in magnetic field.
A. Galvanometer
B. Ammeter
C. Voltmeter
D. All of the above
✅ The correct answer is option D.
147. Electromagnetic waves transport
A. Energy
B. Momentum
C. Mass
D. Heat
✅ The correct answer is option A.
148. Production of heat due to an electric current flowing through a conductor is given by
A. Joule effect
B. t B. Joule Thomsons effect
C. Compton effect
D. Feedback effect
✅ The correct answer is option A.
149. Magnetic force acting on a unit positive charge moving perpendicular to the magnetic field with a unit velocity is called
A. Magnetic flux
B. Magnetic field intensity
C. Magnetic induction
D. Self-inductance
✅ The correct answer is option C.
150. Waves emitted from the antenna are
A. Sound waves
B. Electromagnetic waves
C. Radio waves
D. Modulated waves
✅ The correct answer is option B.