b. 6 kJ c. 1.92 MJ d. 720 kJ a. 100 W b. 60 W c. 3 kW 50 s Power, Current, P.D. Ohm’s Law And Resistance 3 Ω 3 A a. - 12 V b. 3.6 W 6 kΩ c. 13 kJ 24 mV a. 1.3 A 1.5 A b. 8.64 MJ 60 mV 30 Ω 25 Ω 1920 W 2 A a. 24 W mV b. 48 W a. 8.7 A Potential Dividers b. 26.5 Ω 0.2 A 60 Ω a. 8 V – b. 1 V W c. 2.1 V 7.2 J a. 19.2 kΩ b. 2160 J b. 116 kΩ c. - c. 40 Ω d. - a. 108 Ω e. 13 A b. 9 Ω f. - c. 1.1 A - d. 8.9 V b. - a. 25 mA c b. 2 V Most c. 20 mA Power Voltage Current suitable (W) (V) (A) fuse Food Power, Energy and 69 230 0.3 3 A Mixer Time Lamp 100 230 0.4 3 A 2.5 x a. 60 J Heater 230 10.9 13 A 103 b. - Hi-fi a. 115 W 345 230 1.5 3 A unit b. - a. 18 kJ
Ohm’s Law 3 Ω 3 A 12 V 6 kΩ 24 mV 1.5 A 60 mV 25 Ω 2 A mV Potential Dividers a. 8 V b. 1 V c. 2.1 V a. 19.2 kΩ b. 116 kΩ c. 40 Ω a. 108 Ω b. 9 Ω c. 1.1 A d. 8.9 V a. 25 mA b. 2 V c. 20 mA Power, Energy and Time a. 60 J b. - a. 115 W b. - a. 18 kJ b. 6 kJ c. 1.92 MJ d. 720 kJ a. 100 W b. 60 W c. 3 kW 50 s Power, Current, P.D. And Resistance a. - b. 3.6 W c. 13 kJ a. 1.3 A b. 8.64 MJ 30 Ω 1920 W a. 24 W b. 48 W a. 8.7 A b. 26.5 Ω 0.2 A 60 Ω – W 7.2 J b. 2160 J c. - d. - e. 13 A f. - - b. - c Power (W) Voltage (V) Current (A) Most suitable fuse Food Mixer 69 230 0.3 3 A Lamp 100 230 0.4 3 A Heater 2.5 x 103 230 10.9 13 A Hi-fi unit 345 230 1.5 3 A
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