The difference of potential between the terminals of cells is 2.2 volts. When a 4ohm…
The difference of potential between the terminals of cells is 2.2 volts. When a 4ohm resistor is connected…
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An electric current of 3Aflowing through an electric heating elements of resistance 20 embedded in…
An electric current of 3Aflowing through an electric heating elements of resistance 20 embedded in 1,000g of an…
If the normal atmospheric pressure in a laboratory supports a column of mercury 0.76m high…
If the normal atmospheric pressure in a laboratory supports a column of mercury 0.76m high and the relative…
A machine has a velocity ratio of 5. It requires a 50kg weight to overcome…
A machine has a velocity ratio of 5. It requires a 50kg weight to overcome a 200kg weight.…
A short response to time is obtained in liquid-in-glass thermometer when the
A short response to time is obtained in liquid-in-glass thermometer when the A. bulb is large and thick-walled…
Which of the following statements is CORRECT? i. the mass number is equal to the…
Which of the following statements is CORRECT? i. the mass number is equal to the total number of…
The total length of a spring when a mass of 20g is hung from its…
The total length of a spring when a mass of 20g is hung from its end is 14cm,…
1,000 identical drops of oil of density 500kgm-3 have a total mass of 5 x…
1,000 identical drops of oil of density 500kgm-3 have a total mass of 5 x 10-4kg. One of…
a force of 16N applied 4.0kg block that is at rest on a smooth, horizontal…
a force of 16N applied 4.0kg block that is at rest on a smooth, horizontal surface. What is…
Of the following derived units, the one that is not a unit of power is
Of the following derived units, the one that is not a unit of power is A. joule/second B.…