1. In the following series/ parallel circuit, the total resistance is 20 ohms, what is R? 12 2. In following circuit, R1 is 30 ohms, what is R2? 2 amps 5 amps ? R1 R2 3. If a circuit consumed 2 MWatts and operated for a period of 45 minutes at a cost of 6 cents/KWH, how much would the electricity cost? 4. If the voltmeter is reading 30 volts, what is the value of V (battery voltage)? 5 vE20 5. What battery voltage is required in order for the circuit to consume 2 watts? 10 70 20



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