36) What is the maximum variation (minimum to maximum) that is expected while measuring a large collection of resistors with marking bands of yellow, violet, brown and gold in the order given?

37) A platinum Resistance Temperature Detector has resistance of 100 Ohm at 0 Degree Centigrade and temperature coefficient of 0.4 Ohm/degree centigrade. When it is pasted on a surface it shows a resistance of 120 Ohm. What is the temperature of the surface?

38) Given, base area of a cute is 25 square centimeter. Then, its volume is

39) A tank of width 9m and length 24m is filled with water to a depth of 10m. Calculate the pressure at the bottom of the tank

40) Calculate the DC output of a half wave rectifier used to rectify an AC sinusoidal signal of 12V rms (assume ideal diode)