2 kg of water is heated with a heating coil which draws 3.5 A from…
2 kg of water is heated with a heating coil which draws 3.5 A from a 200 V…
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I. Increase the melting point of the liquid. II. Increase the boiling point of the…
I. Increase the melting point of the liquid. II. Increase the boiling point of the liquid. III. Decrease…
A clinical thermometer is different from other mercury in glass thermometers owing to
A clinical thermometer is different from other mercury in glass thermometers owing to A. the constriction on its…
I. Use a liquid with a high melting point. II. use a liquid of high…
I. Use a liquid with a high melting point. II. use a liquid of high volume expansivity. III.…
A reservoir 500 m deep is filled with a fluid of density 850 kgm-3. If…
A reservoir 500 m deep is filled with a fluid of density 850 kgm-3. If the atmospheric pressure…
A piece of iron weights 250 N in air and 200 N in a liquid…
A piece of iron weights 250 N in air and 200 N in a liquid of density 1000…
Two spheres of masses 5.0 kg and 10.0 kg are 0.3 m apart. Calculate the…
Two spheres of masses 5.0 kg and 10.0 kg are 0.3 m apart. Calculate the force of attraction…
A machine has a velocity ratio of 4. if it requires 800 N to overcome…
A machine has a velocity ratio of 4. if it requires 800 N to overcome a load of…
A car of mass 1500 kg goes round a circular curve of radius 50m at…
A car of mass 1500 kg goes round a circular curve of radius 50m at a speed of…
A gramophone record takes 5s to reach its constant angular velocity of 4(pi) rads-1 from…
A gramophone record takes 5s to reach its constant angular velocity of 4(pi) rads-1 from rest. Find its…