Multiple Choice Questions

Which one is the way to increase the magnitude of induced emf in a generator?

What amount of current can flow in the kettle written with 750 watt and 220 V?

Specific heat capacity of water, alcohol, sand and mercury are 4200 J/kg$^\circ$C, 2400 J/kg$^\circ$C, 800 J/kg$^\circ$C and 138 J/kg$^\circ$C respectively. If all of them have same mass and temperature, and are kept for 2 hours in the sun, which of them will have high temperature? 

To measure the pressure of liquid p-dgh formula, what does h stand for and what change occurs in p when h increases?

When a red flowered pea plant (RR) crossed with the white flowered pea plant (rr) in F, generation, all plants are found red flowered. What type of character is red?

What does the pulmonary artery do?

In which class does a pigeon lie?

What is the upthrust exerted by the water to the body given in the figure.

Which one is correct for P in the given diagram?

If you are determining upper fixed point of a newly constructed thermometer, how do you set the apparatus for it?