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- A battery is connected to three resistances 5 ohm, 4 ohm & 3 ohm which are connected in series. a. Find the effective resistance of the circuit? b. Suppose 5 ohm resistor has a voltage of 12 V across it. What is the value of current through each of the resistors? c. What is the value of the battery voltage?If connected to a 3 V potential difference, a certain resistor dissipates 0.5 W. How much energy would the resistor dissipate if it is connected to a 1 V potential difference? A. 0.056 W. B. 0.167 W. C. 0.5 W. D. 1.5 W. E. Cannot be determined.The current flowing through a resistor is measured at several differnet voltages. What is the value of the resistor? A. 0.05 B. 20 m C. 5 m D. 20
- a) If the current in this circuit is 3 A, what must be the value of R3? b) What is the voltage drop across the 2 ohm resistor? c) What is the voltage drop across the 3 ohm resistor. d) What is the power used in the circuit in amps?D nected in series and placed across a potential difference of 50 V. What is a. the equivalent resistance of the circuit? b. the current in the circuit? c. the voltage drop across each lamp? d. the power dissipated in each lamp? A 20.0-2 lamp and a 5.0-2 lamp are con-