Give Scientific reasons.a. Tungsten metal is used to make a solenoid type coil in an electric bulb.b. In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster etc, an alloy such as Nichrome is used, not pure metals.c. For electric power transmission, copper or aluminium wire is used.d. In practice the unit kWh is used for the measurement of electrical energy, rather than joule.

Give Scientific reasons.a. Tungsten metal is used to make a solenoid t

1.	Give Scientific reasons.a. Tungsten metal is used to make a solenoid type coil in an electric bulb.b. In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster etc, an alloy such as Nichrome is used, not pure metals.c. For electric power transmission, copper or aluminium wire is used.d. In practice the unit kWh is used for the measurement of electrical energy, rather than joule.
Answer» Give Scientific reasons. a. Tungsten metal is used to make a solenoid type coil in an electric bulb. b. In the electric equipment producing heat e.g. iron, electric heater, boiler, toaster etc, an alloy such as Nichrome is used, not pure metals. c. For electric power transmission, copper or aluminium wire is used. d. In practice the unit kWh is used for the measurement of electrical energy, rather than joule.