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Electrical Bell:
1.An electromagnet, which is made by winding insulated copper wire on a soft iron core.
2.An armature which is soft iron strip with spring.
3.A soft iron with a small hammer at one end which strikes the gong and form sound.
4.Electric circuit having of
a) Push button b) A battery of potential difference V
c) Contact adjusting screw
Working:
1.When push is pressed, the circuit is finished and the armature is attracted towards the electro magnet.
2.With forward movement of armature, the spring is detached from the screw, the circuit is detached and electromagnet is demagnetized.
The primary coil of an ideal step-up transformer has 100 turns and the transformation ratio is also 100. The input voltage the power are 220 V and 1100 W respectively. Calculat
A rectangular surface (0.14 m x 0.39 m) is oriented in a uniform electric field of 440 N/C. What is the maximum possible electric flux through the surface?
Example of state function
How to find out neutral point ? What all things we require to equate or form a equation to find the neutral poind and how to do it?
VRIFY THE CURRENT DIVIDER RELATION AND VOLTAGES DIVIDER RELATION
describe the principle, construction and working of Michelson Interferometer.
i need to demonstrate the magnetic properties as a part of my assignment. then how can i do that?
Two friends are at the local high school track, a circle measuring 440 yards for one complete lap. Abe can jog at 8.2 miles per hour while Bob’s jogging speed is 4.6 miles per hour
A coil of inductance 100 mH and resistance 800Ω is connected in parallel with a variable capacitor across a 12V, 5kHz supply. Determine for the condition when the supply curre
WORK AND ENERGY 1. Work can be defined as: the force applied in direction of displacement ×. This means that if the force F acts at an angle θ with respect to the direct
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