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The decibel (dB) is a logarithmic unit that indicates the ratio of a physical quantity (usually power or intensity) relative to a specified or implied reference level. A ratio in decibels is ten times the logarithm to base 10 of the ratio of two power quantities.
Anemometer is used to measure –
A circular coil of wire consisting of 120 turns, each of radius 12 cm carries a current of 0.30 A. What is the magnitude of the magnetic field B at the ...
The dimensions of angular momentum are:
When water is heated from 0°C to 10°C. Its volume
A projectile is fired at an angle of 45° with a speed of 20 m/s. What is the maximum height reached? (Take g = 10 m/ s² )
Assume a parallel plate capacitor which is maintained at potential of 100 V. If the partition distance between the plates of the capacitor and area of ...
A body of mass 4 kg falls freely from a height of 5 m. What is its kinetic energy just before it hits the ground? (Take g = 10m/s²)
The filament of a bulb is made up of?
What is the rate of change of momentum called?
The moment of inertia of a hollow sphere of mass M and radius R about its diameter
