A quiz covering electric circuits, including Ohm's Law, charge flow, resistance factors, and the behavior of LDRs and thermistors. Test your knowledge…
10 questions • Zestly
• A circuit component has a constant current of 0.5 A flowing through it for 2 minutes. Calculate the total charge that passes through the…
• A battery transfers 40 J of energy to move 5 C of charge through a lamp. What is the potential difference across the lamp?
• A resistor has a potential difference of 12 V across it and a current of 3 A flowing through it. What is the resistance of the resistor?
• Which of the following statements correctly describe how the physical properties of a uniform metal wire affect its electrical resistance?
• An LDR is placed in a dark room. As a lamp is turned on and the light intensity increases, what happens to the resistance of the LDR and…
• A thermistor is used in a temperature-controlled heating system. As the temperature of the room increases, what happens to the thermistor's…
• A student measures a current of 0.2 A in a circuit with a 10 $\Omega$ resistor. What is the potential difference across the resistor?
• If a circuit has a potential difference of 24 V and a total resistance of 8 $\Omega$, what is the current flowing through the circuit?
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