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Q. How can we increase the current sensitivity of a galvanometer?
The current sensitivity of a galvanometer is able to be increased by
(i) Rising the number of turns
(ii) Rising the magnetic induction
(iii) Rising the area of the coil
(iv) Declining the couple per unit twist of the suspension wire.
(1) The first practical application for piezoelectric devices was sonar, first developed during worldwar1. Piezoelectric materials are as a source of ultrasonic waves. At sea, they
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Mass of the system is same. since, p=mv momentum remains same
Two waves of equal frequency have amplitudes 2 units and 3 units respectively. When they superpose coherently the intensity of the resultant wave is I 1 . The intens
A 10 kilogram body initially moving with a velocity of 10 meters per second makes a head-on collision with a 15 kilogram body initially at rest. The two objects stick together. W
If small test charge is taken as positive than why measured value of electric intensity be somewhat less than the actual value of elctric intensity and vica versa
River Boat Vectors and Projectiles Suppose the motion of the river boats below. Within that case, the boat is heading across the river. Inside the top case, the presence of a c
explain origin of dimagnetsm on the basis of its atomic structure
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Explain the Adding Waves? When two waves come from the same light source, the light waves are coherent, meaning that the phase difference between the waves is constant in time.
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