True or False 1. Kirchhoff’s Loop Rule is an application of the principle of conservation of energy to the electric potential. 2. Kirchhoff’s Junction Rule states that the total of all the potential rises/ lifts is the same as the total of all the potential drops. 3. An RC circuit is a circuit containing BOTH RESISTORS AND CAPACITORS.
True or False
1. Kirchhoff’s Loop Rule is an application of the principle of conservation of energy to the electric potential.
2. Kirchhoff’s Junction Rule states that the total of all the potential rises/ lifts is the same as the total of all the potential drops.
3. An RC circuit is a circuit containing BOTH RESISTORS AND CAPACITORS.
4. When a capacitor is DISCHARGING, the charge on the plates builds up gradually to its equilibrium value of q0 = CV0 where V0 is the voltage of the battery.
5. Ohm times a farad is EQUAL to seconds.
6. When a capacitor is CHARGING, the magnitude q of the charge on the plates at time t is q= q0 [1 - e^(- t/RC) ]
7. The equivalent capacitors stores the same amount of charges but NOT THE SAME amount of energy when connected in PARALLEL.
8. A small time constant means that the capacitor charges and discharges VERY SLOWLY.
9. A good voltmeter is designed with a VERY LARGE resistance for it not to alter the voltage in the circuit when connected.
10. Time constant is equal to R / C.
11. A good ammeter is designed with a VERY SMALL equivalent resistance to avoid reduction of current when connected in a circuit.
Explain how lightning is produced and the mechanism of lightning rods.
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