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Let the number be x According to the question x × 110/100- x × 80/100=72 110x - 80x = 7200 30x = 7200 x = 240
Which of the following is a reason for excessive current in electrical circuits?
I. Direct touching of wires
II. Connection of many d...
When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is clue to the phenomenon of –
When is the magnetic field strength considered strongest?
A metal sphere is heated. Which property remains unchanged?
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will -
If an agent does a work 'W' in time 't', then the power is given by:__________.
What type of rays are used in a CT scan to visualize the internal structures of the human body?
A dynamo converts which form of energy?
The diameter of a capillary is 4mm. If Reynolds's number of the tube is 1000 and the co-efficient of viscosity for water is 0.02 poise, determine the m...
