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Laws of Thermodynamics: a. First Law of Thermodynamics (Law of Energy Conservation): ΔU = Q - W b. Secon…

Electromagnetism is a branch of physics that deals with the study of the electromagnetic force, which includes both electric and magnetic fields. It …

Classical mechanics is a branch of physics that deals with the motion of objects under the influence of forces. It provides a framework to understand…

Physics is a broad field that encompasses various subfields or branches. Here are some major branches of physics: Classical Mech…

What is the force responsible for holding the nucleus of an atom together? a) Gravitational force b) Weak force c) Electromagnetic force d) Strong fo…

What is the unit of electric current? A. Volt B. Watt C. Ampere D. Ohm Answer: C What is the unit of electric potential? A. Ampere B. Watt C. Ohm D. …

What is the SI unit of electric current? a) Volt b) Ohm c) Ampere d) Watt Answer: c) Ampere Which of the following materials is a good conductor of e…

What is the SI unit of electric field strength? A) Joules B) Coulombs C) Newtons D) Volts/meter Answer: D) Volts/meter What is the direction of the e…

Which of the following best describes the principle of superposition in physics? a) The sum of the forces acting on an object is equal to…

Which of the following types of waves require a medium to propagate? a) Electromagnetic waves b) Mechanical waves c) Both a and b d) None of the abov…

What is the term used to describe the change in shape of a material when a force is applied? a) Elasticity b) Plasticity c) Deformati…