neet test paper 10 - Sigma Physics Centre
... One conducting U tube can slide inside another as shown in figure, maintaining electrical contacts between the tubes. The magnetic field B is perpendicular to the plane of the figure. If each tube moves towards the other at a constant speed v, then the emf induced in the circuit in terms of B, I and ...
... One conducting U tube can slide inside another as shown in figure, maintaining electrical contacts between the tubes. The magnetic field B is perpendicular to the plane of the figure. If each tube moves towards the other at a constant speed v, then the emf induced in the circuit in terms of B, I and ...
Topic 6 – Generators and Motors
... Alternating Current Generators are the most common type-they have a coil of wire that rotates inside stationary magnets. As wires in the coil rotate, electrons begin to move along the wire in one direction but after half a revolution, each side of the coil passes near the opposite pole of the magnet ...
... Alternating Current Generators are the most common type-they have a coil of wire that rotates inside stationary magnets. As wires in the coil rotate, electrons begin to move along the wire in one direction but after half a revolution, each side of the coil passes near the opposite pole of the magnet ...
EMT MODEL SET 2
... 13. a) Find the magnetic field intensity at any point at any point on the axis of a circular coil carrying current with loop radius ‘a’m and extend the same for finding the magnetic field intensity at the centre of a long solenoid. (OR) b) Derive expressions for i) Lorentz force ii) Force on a curre ...
... 13. a) Find the magnetic field intensity at any point at any point on the axis of a circular coil carrying current with loop radius ‘a’m and extend the same for finding the magnetic field intensity at the centre of a long solenoid. (OR) b) Derive expressions for i) Lorentz force ii) Force on a curre ...
Kertas 1 - WordPress.com
... ii– Use the right electric equipment for the right work. iii – Beware and alert with power supply. iv– Use a good condition electric tools and quipments with safety features. A Red B Ultraviolet C Orange D Silver a TRUE b FALSE c TRUE d FALSE A - Kirchhoff’S Voltage Law states that the algebraic sum ...
... ii– Use the right electric equipment for the right work. iii – Beware and alert with power supply. iv– Use a good condition electric tools and quipments with safety features. A Red B Ultraviolet C Orange D Silver a TRUE b FALSE c TRUE d FALSE A - Kirchhoff’S Voltage Law states that the algebraic sum ...
Supplementary Notes
... currents. Magnetic field due to a moving charge or current element is given by: B = (μ/4π)(qvsinθ/r2) = (μ/4π)(IΔLsinθ/r2) (Biot-Savart Law) If you can choose a closed loop on which B is constant, you can use B║L = μIin (Ampere’s Law) ...
... currents. Magnetic field due to a moving charge or current element is given by: B = (μ/4π)(qvsinθ/r2) = (μ/4π)(IΔLsinθ/r2) (Biot-Savart Law) If you can choose a closed loop on which B is constant, you can use B║L = μIin (Ampere’s Law) ...
8J Summary Sheet
... • Two north poles or two south poles repel each other. A bar magnet is a permanent magnet, because it is always magnetic. A wire with electricity flowing through it has a magnetic field around it. An electromagnet is a coil of wire with an electric current flowing through it. It is only magnetic whi ...
... • Two north poles or two south poles repel each other. A bar magnet is a permanent magnet, because it is always magnetic. A wire with electricity flowing through it has a magnetic field around it. An electromagnet is a coil of wire with an electric current flowing through it. It is only magnetic whi ...
Electricity Review
... Adding resistors to a series circuit will decrease the current and increase the total resistance Adding resistors to a parallel circuit will increase the current and decrease the total resistance. (overloading) Voltmeters must be places in parallel in order to be used within a circuit Ammeters must ...
... Adding resistors to a series circuit will decrease the current and increase the total resistance Adding resistors to a parallel circuit will increase the current and decrease the total resistance. (overloading) Voltmeters must be places in parallel in order to be used within a circuit Ammeters must ...
Galvanometer
A galvanometer is a type of sensitive ammeter: an instrument for detecting electric current. It is an analog electromechanical actuator that produces a rotary deflection of some type of pointer in response to electric current through its coil in a magnetic field.Galvanometers were the first instruments used to detect and measure electric currents. Sensitive galvanometers were used to detect signals from long submarine cables, and to discover the electrical activity of the heart and brain. Some galvanometers use a solid pointer on a scale to show measurements; other very sensitive types use a miniature mirror and a beam of light to provide mechanical amplification of low-level signals. Initially a laboratory instrument relying on the Earth's own magnetic field to provide restoring force for the pointer, galvanometers were developed into compact, rugged, sensitive portable instruments essential to the development of electrotechnology. A type of galvanometer that records measurements permanently is the chart recorder. The term has expanded to include use of the same mechanism in recording, positioning, and servomechanism equipment.