1. The presence of charge on a substance can be confirmed by a   Thermometer   Gold Leaf Electroscope   Electrodes   Ammeter   Hint Half-n-half Clue   2. The wire of an electric bulb is known as the   Radiator   Heating Element   Filament   Luminous Wire   Half-n-half Clue   3. Which of the following is not a good heat insulator?   Wool   Feathers   Iron   Wood   Half-n-half Clue   4. What does this statement define The rate of change of position in a fixed direction.   Velocity   Acceleration   Speed   Momentum   Half-n-half Clue   5. Which of the following is attracted by a magnet?   Iron   Glass   Sodium   Leather   Half-n-half Clue   6. When a spring is released, its potential energy is converted to   Kinetic Energy   Electrical Energy   Magnetic Energy   Light Energy   Half-n-half Clue   7. The SI unit of electric current is   Ampere   Ohm   Mho    Farad   Half-n-half Clue