Revision: DC Circuits 16 DC Circuits - Revision Quiz Test your understanding of DC Circuits here: 1 / 5 1) What is the resistance of the resistor R? 8 Ω 4 Ω 2 Ω 6 Ω 2 / 5 2) A cell, an ammeter, a voltmeter and a resistor are connected as shown below. Given that the ammeter reading and voltmeter reading are 0.20 A and 1.20 V respectively, what are the new readings on the meters when an identical resistor is added to the circuit as shown below? 0.20 A and 0.60 V 0.10 A and 0.60 V 0.20 A and 1.20 V 0.10 A and 1.20 V 3 / 5 3) Which of the following is not a type of resistor? 4 / 5 4) What is the e.m.f. of the cell in the circuit shown below? 6 V 9 V 5 V 3 V 5 / 5 5) A variable resistor is connected in series with a fixed resistor of resistance 2.0 kΩ and a 6.0 V supply. The resistance of the variable resistor can vary from 1.0 kΩ to 8.0 kΩ. What is the smallest possible potential difference across the variable resistor? 4.8 V 1.2 V 4.0 V 2.0 V Your score is Restart quiz