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- A certain lightning bolt moves 40.0 C of charge. How many fundamental units of charge is this?A battery with an emf of 24.00 V delivers a constant current of 2.00 mA to an appliance. Haw much work does the battery do in three minutes?What is the potential difference of a source that carries a current of 3.77 A through a 40.0 ohms?
- An annealed copper wire has a diameter of 0.486 in. and a resistanceof 0.8 Ω at 20°C. Calculate its length.An electric heater is constructed by applying a potential difference of 120 V across a Nichrome wire that has a total resistance of 8.00 ohms. Find the current carried by the wire?A graphite lead (diameter of 0.5mm, length of 5cm) reaches a temperature of 3077K when a voltage difference of 30.7 V is applied across its ends. Find the current (in A) through the lead.
- The tungsten filament in the incandescent lamp has a resistance of8.4 Ω at a room temperature of 20°C and a resistance of 106 Ω atnormal operating temperature. Calculate the temperature of theheated filament.TRUE OR FLASE Resistance is the measure of how much a conductor resists the flow of charges.Calculate the energy cost of an electroplating process running at 0.64 V and 25.1 A for 3077 s considering a cost of PhP51.57 per kWh? Round your answer to 2 decimal places.
- A lightning stroke last 0.05 s and involves a flow of 100 c. What is the current?A hair dryer draws 12.5 AA when plugged into a 120-VV line. Assume direct current.How much charge passes through it in 11 minmin ?A copper wire 100m long with cross-sectional area of 2x10 -4 cm 2 isheated from room temperature of 25 C to 200 C. Finda) The initial resistance of wireb) The increase in resistance from 25 to 200 Celsius
