A refrigerator consumes an average 35W power to operate between temperature $$-$$10$$^\circ$$C to 25$$^\circ$$C. If there is no loss of energy then how much average heat per second does it transfer?

An electric bulb of 500 watt at 100 volt is used in a circuit having a 200 V supply. Calculate the resistance R to be connected in series with the bulb so that the power delivered by the bulb is 500 W.

Four NOR gates are connected as shown in figure. The truth table for the given figure is :

Match List - I with List - II



Choose the most appropriate answer from the options given below :