A current I flows through of resistor whose is resistance R. How what is the potential difference between the two ends of the resistor? a) I/R b) IR c) R/I d) I + R e) none of these
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- A metal wire of resistance R is cut into two pieces of equal length. The two pieces are connected together side by side.What is the resistance of the two connected wires?A. R/4 B. R/2 C. R D. 2R E. 4RProblem 8: Consider a circuit shown in the figure. Ignore the internal resistances of the batteries. A) Express the current I1 going through resistor R1 in terms of the currents I2 and I3 going through resistors R2 and R3. Use the direction of the currents as specified in the figure. B) Write the equation of potential change in loop EBAF in terms of the circuit elements. C) Write the equation of potential change in loop DCAF in terms of the circuit elements. D) Solve the three equations to get I3 as expression NOT a numerial valueWhich of the following is the energy consumed by a 16 Ω lightbulb when it is wired to a 12 V battery for 25 seconds? a. 225 b. 270 c. 240 d. 180
- Which of the following statements is not true regarding the arrangement of resistors shown in the picture below? R4 E =? R2 R3 R1 Resistors R2 and R3 are connected in series. Resistor R2 is connected in parallel with resistor R1. Resistor R4 is in series with all the other resistors combined.QU5 a). A circuit consist of five resistors connected as below, determine the effective resistance in the circuit. R3 R5 R2 R4 Given that R1, R2,R3,R4 and R are given respectively as 500, 250, 300, 600 and 700Q, what is the current in the circuit if the potential across the resistors is 24 V?Resistors R1 = 3.0 Q and R2 = 5.0 Q are connected to a battery as shown. The current through resistor R2 is 2.0 A. V a) What is the current through resistor R1? b) What is the voltage across the battery? R1 R2 c) What is the voltage across resistor R2?