Physics
Three wires with proper colour coding are connected to the three terminals of a three-pin socket. Match the colour of the wire with the proper terminals A, B and C of the socket.
(a) Brown
(b) Green
(c) Light blue
Related Questions
In the below circuit diagram, calculate:
(a) the external resistance of the circuit.
(b) the current I2.
(c) the current I.
A metal piece of mass 420 g present at 80°C is dropped in 80 g of water present at 20°C in a calorimeter of mass 84 g. If the final temperature of the mixture is 30°C, then calculate the specific heat capacity of the metal piece.
[Specific heat capacity of water = 4.2 Jg-1 °C-1, Specific heat capacity of the calorimeter = 200 Jkg-1 °C-1]
(a) Why does it become colder after a hailstorm than during or before the hailstorm?
(b) 'If two bodies have the same specific heat capacities, then they will always absorb the same amount of heat if their temperature increases by the same amount.' State whether the given statement is true or false.
(a) Give an important reason for copper to be used as a material for a calorimeter.
(b) Calculate the thermal capacity of 40 g of water.
[Specific heat capacity of water = 4200 JKg-1°C-1]