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(5 × 5) + 475 = ? + 15/100 × 150 25 + 475 = ? + 22.5 ? = 500 – 22.5 ? = 477.5
A coil with N turns and area A is placed in a magnetic field varying as B = B₀·e–αt. What is the induced EMF at time t = 0?
‘Lubb-dupp’ sound is produced due to the action of
A spherical ball made of steel when dropped in mercury container will –
A force of 50 N moves a body 2 meters in the direction of the force. Find work done.
Rain drops acquire spherical shape due to -
In a convex lens, when the object is at infinity, then the position of image is ______.
Gamma rays have greatest similarity with –
When heated from 0° to 10°C volume of a given mass of water will -
Two capacitors, 2 µF and 3 µF, are charged separately to 100 V and 50 V respectively, and then connected positive to positive, negative to negative. F...
Which of the following statements is true about energy bands in solids?
