Find the resistance (in mega ohm) of a wire of length 8 m, cross sectional area 2 sq.cm and made of a material of resistivity 120 ohm m.
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The boiling point of an alcohol is 78°C. What is the temperature in Kelvin scale?
Mohan, having a mass of 40 kg, runs up a staircase of 50 steps in 10 s. If the height of each step is 15 cm, then what is his power?
To convert temperature from Celcius to Kelvin scale, you must ___ the given temperature.
According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.
The first equation of motion gives the relation between
Which device is used to measure the depth of ocean?
The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?
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