Current Charge Voltage Energy 0.0 / 5 ? PhysicsD.C. ElectricityASAll boards Created by: Rob SmithCreated on: 17-01-14 13:33 A current of 2.5A flows for 30s. How much charge passes? 75C 1 of 26 A current of 8 mA flows for 12s. How much charge passes? 96mC or 9.6 x10-2 C 2 of 26 A current of 4A flows for 2 ns. How much charge passes? 8 nC or 8 x10-9 C 3 of 26 What is the charge on 1 electron? 1.6 x10-19 C 4 of 26 How many amps is 350 microamps? 350 x10-6 A or 3.5 x10-4 A 5 of 26 The amount of charge flowing each second is the... Current 6 of 26 Current in the rate of flow of ... Charge 7 of 26 A charge of 10C flows through a lamp in 4s. What is the current? 2.5A 8 of 26 A charge of 10mC flows through a wire in 4s. What is the current? 2.5mA or 2.5 x10-3A 9 of 26 A charge of 100 mircocoulombs flows through a diode in 5 ms. What is the current? 2 x10-2A or 20mA 10 of 26 How long does it take 5C of charge to flow thorugh a wire when the current is 10A? 0.5s 11 of 26 How long does it take 4kC of charge to flow thorugh a wire when the current is 10A? 400s 12 of 26 How long does it take 6.5 mC of charge to flow thorugh a wire when the current is 0.05 amps? 0.13s 13 of 26 A current of 1 A means... 1 C of charge flows each second 14 of 26 A p.d. of 1V means... 1C of charge carries 1J of energy 15 of 26 Define a voltage. Voltage is the energy each coulomb of charge carries 16 of 26 How many electrons flow each second in a current of 1mA? 6.25 x10^15 electrons 17 of 26 How many electrons flow in 10 seconds in a current of 2.5A? 1.57 x10^20 electrons 18 of 26 A cell of 2.5V releases 3C of charge. How much energy is transferred? 7.5J 19 of 26 A cell of 9V releases 60 mC of charge. How much energy is transferred? 0.54J 20 of 26 The greater the p.d. of a cell the... more energy each coulomb of charge transfers 21 of 26 A charge of 0.5C passes through a bulb transferring 1.5J as it does. What if the p.d. on the bulb? 3V 22 of 26 A charge of 4.2C passes through a heater transferring 1 kJ as it does. What if the p.d. on the bulb? 238V 23 of 26 A connector in a CPUpasses a charge of 1nC transferring 12pJ as it does. What p.d. is set up in the CPU? 0.012V 24 of 26 The greater the current the... more charge flows each second 25 of 26 A cell with a p.d. of 9V means... each coulomb of charge carries 9J of energy 26 of 26
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