What is mutual induction Suppose that the two coils, P and S are placed closed to each other so that they are electrically insulated from each other but are magnetically coupled. The coils P and S are respectively called primary…
what is a choke coil? A choke coil is an essential and required electrical appliance used for controlling the electric current in an AC circuit without the loss of electrical energy in the form of heat. Principle of Choke coil…
This is an electric circuit in which a source of alternating emf is connected across a series combination of an induction coil of inductance L, a resistor of resistance R and a capacitor of capacitance C Suppose that, the instantaneous…
What is Electro Magnetic Induction: Introduction of electromagnetic induction and alternating current Electromagnetic Induction is a phenomenon in which electric emf is induced across a coil whenever a changing magnetic flux links this coil and the electric current flows Michael…
Ques 1: What are magnetic elements of earth? Ans: These are the physical quantities that evaluate the intensity of the earth’s magnetic field completely in magnitude as well as in direction. There are mainly three types of magnetic elements Magnetic…
Earth’s Magnetism-12 CBSE-magnetic field of earth. It was invented by William Gilbert, in his paper “De Magnete” published in 1600, suggested the earth behave like a giant magnet. His theory regarding the earth being a huge magnet was supported by…
Introduction of Magnetic Dipole, dipole moment and Bar magnets The discovery of magnetism is credited to a Greece shepherd named Magness, who lived in Magnesia, Greece. This discovery was accidental while he was herding his sheep through the mountains. He…
Ques: What happens when a conductor carrying an electric current is placed in a magnetic field ? What happens when a current carrying conductor is placed in a uniform magnetic field? Ans: When a conductor carrying an electric current is…
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FORCES ON CURRENT CARRYING CONDUCTOR IN A MAGNETIC FIELD-12- FORCES ON CURRENT CARRYING CONDUCTOR IN A MAGNETIC FIELD-12 Let us suppose that an electric current I passes through a conductor MN, of length placed along the Y-axis, in a uniform…
