Three identical 12 Ω resistors are connected in parallel across 12 V. What is the equivalent resistance?, 4 Ω, 36 Ω, 6 Ω, 12 Ω, Three identical 12 Ω resistors are connected in parallel across 12 V. What is the total current?, 4 A, 1 A, 12 A, 3 A, Three identical 12 Ω resistors are connected in parallel across 12 V. What current passes through each resistor?, 3 A, 1 A, 4 A, 0.5 A, Three resistors are connected in series. Two are 2 Ω and 4 Ω, the third is unknown. The source is 18 V and the current is 2 A. What is the unknown resistance?, 6 Ω, 9 Ω, 3 Ω, 12 Ω, Identical 8 Ω resistors are connected in parallel across 12 V. If the total current is 6 A, how many resistors are there?, 6, 2, 8, 4, Three resistors 3 Ω, 6 Ω and 9 Ω are connected in series across 36 V. What is the equivalent resistance?, 12 Ω, 18 Ω, 36 Ω, 9 Ω, Three resistors 3 Ω, 6 Ω and 9 Ω are connected in series across 36 V. What is the total current?, 2 A, 18 A, 6 A, 3 A, In the 3 Ω, 6 Ω and 9 Ω series circuit across 36 V, what is the potential difference across the 3 Ω resistor?, 12 V, 18 V, 6 V, 3 V, In the 3 Ω, 6 Ω and 9 Ω series circuit across 36 V, what is the potential difference across the 6 Ω resistor?, 12 V, 18 V, 9 V, 6 V, In the 3 Ω, 6 Ω and 9 Ω series circuit across 36 V, what is the potential difference across the 9 Ω resistor?, 6 V, 9 V, 18 V, 12 V, A resistor of 8 Ω is connected to a 24 V battery. What is the total current?, 8 A, 24 A, 2 A, 3 A, Two identical 6 Ω resistors are connected in series to a 12 V battery. What is the total current?, 2 A, 1 A, 6 A, 12 A, A rheostat controls a lamp. If the slider moves from A to B as shown, what happens to the lamp brightness?, It flashes, It increases, No change, It decreases, A 500 W device operates for 6 hours per day. What energy is consumed in one day?, 300 kWh, 6 kWh, 3 kWh, 0.3 kWh, A wire has resistance 8 Ω and potential difference 24 V. What is the current?, 3 A, 24 A, 8 A, 2 A, The 8 Ω wire is replaced by one of the same material and length but larger cross-sectional area. What happens to the current?, No change, It increases, It stops, It decreases, A current of 4 A flows for 3 minutes. What quantity of charge passes?, 1200 C, 720 C, 240 C, 12 C, A charge of 600 C passes through a conductor carrying 5 A. What is the time in seconds?, 600 s, 300 s, 30 s, 120 s, A charge of 600 C passes through a conductor carrying 5 A. What is the time in minutes?, 2 min, 5 min, 1 min, 10 min, A current of 2 A passes through a device for 5 minutes. What quantity of charge is transferred?, 1200 C, 300 C, 600 C, 10 C, A current of 2 A passes through a device for 5 minutes with potential difference 6 V. What work is done?, 3600 J, 1200 J, 600 J, 1800 J, 120 J of work transfers 30 C of charge between X and Y. What is the potential difference?, 2 V, 30 V, 4 V, 90 V, If the work done doubles and the charge halves, what happens to the potential difference?, Doubles, Halves, No change, Quadruples, You have 6 identical cells, each 1.5 V. How should they be connected to obtain 3 V?, Single cell, Parallel groups, All parallel, All series, Three identical cells, each 2 V, are connected in series in Circuit A. What is the total electromotive force?, 1.5 V, 6 V, 3 V, 2 V, Three identical cells, each 2 V, are connected in parallel in Circuit B. What is the total electromotive force?, 2 V, 4 V, 6 V, 1 V, In which circuit is the lamp brighter?, Circuit A, Circuit B, A current of 3 A passes through a lamp for 2 minutes. What quantity of charge passes through the lamp?, 720 C, 180 C, 360 C, 6 C, A current of 3 A passes through a lamp for 2 minutes and the potential difference is 4 V. What work is done?, 1200 J, 480 J, 360 J, 1440 J, A charge of 900 C passes through a conductor in 3 minutes. What is the current intensity?, 15 A, 300 A, 3 A, 5 A, If the same 900 C passes in half the time, what is the new current?, 5 A, 10 A, 2.5 A, 20 A, Three identical 6 Ω resistors are connected in parallel across 12 V. What is the total current drawn?, 12 A, 3 A, 6 A, 2 A, For the unit J ÷ (C × A), which physical quantity is measured?, Resistance, Current, Power, Charge, For the unit (V × s) ÷ C, which physical quantity is measured?, Power, Voltage, Resistance, Energy, Device A is 60 W and works for 6 hours. Device B is 180 W. How long must B operate to use the same energy?, 3 h, 2 h, 6 h, 1 h, An LED lamp has power 50 W and works 5 hours per day for 20 days. What is the total operating time?, 200 h, 50 h, 25 h, 100 h, A 50 W LED lamp works 5 hours per day for 20 days. What is its power in kilowatts?, 0.05 kW, 0.005 kW, 0.5 kW, 5 kW, A 50 W LED lamp works 5 hours per day for 20 days. What energy is consumed in 20 days?, 2.5 kWh, 5 kWh, 10 kWh, 50 kWh, If 1 kWh costs 2 EGP, what is the operating cost of the 50 W LED lamp for 20 days?, 5 EGP, 20 EGP, 10 EGP, 2 EGP, An electric heater has power 2 kW and operates 3 hours per day. What energy is consumed per day?, 3 kWh, 9 kWh, 2 kWh, 6 kWh, A 2 kW heater operates 3 hours per day. What energy is consumed in 30 days?, 90 kWh, 120 kWh, 180 kWh, 60 kWh, If 1 kWh costs 2 EGP, what is the monthly cost of the 2 kW heater operating 3 hours per day for 30 days?, 180 EGP, 120 EGP, 90 EGP, 360 EGP

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