A resistor rated at 570 kn is connected across two cell batteries (each 1.50 V) in...
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Ohm's Law A resistor rated at 250 k Ω is connected across two D cell batteries (each 1 .50 V) in series, with a total voltage of 3.00 V. The manufacturer advertises that their resistors are within 5% of the rated value. What are the possible minimum current and maximum current through the resistor?
Two resistors A and B are connected in series to a 6.0-V battery; the voltage across resistor A is 2.0 V. When A and B are connected in parallel across a 6.0-V battery, the current through B is 2.0 A. What is the resistance of resistor A?
Two resistors are connected in parallel across an ideal 12.0 V battery. Resistor A has a value of 28 Ω and resistor B carries a current of 0.2505 A. What is the total power dissipated in the circuit?Two resistors are connected in parallel across an ideal 12.0 V battery. Resistor A has a value of 28 Ω and resistor B carries a current of 0.2505 A. What is the total power dissipated in the circuit?
Two resistors, A and B, are connected in parallel across a 7.0 V battery. The current through B is found to be 1.0 A. When the two resistors are connected in series to the 7.0 V battery, a voltmeter connected across resistor A measures a voltage of 3.8 V. Find the resistances A and B. R_A = Your response differs from the correct answer by more than 10%. Double check your calculations. ohm R_B = 6.57 Your response is within...
A resistor with a resistance of 12 Ω is connected in series with two batteries both of unknown voltage. The current through the resistor is 5.7 A. The second battery is removed from the circuit. The current through the resistor is now 3.2 A. Calculate the potential differences of both batteries. Show your work and explain your reasoning.
A 9.00-Ω resistor and a 3.00-Ω resistor are connected in parallel across a 9.00-V battery. Find (a) the current through, and (b) the voltage drop across, each resistor.
A 9.00-Ω resistor and a 3.00-Ω resistor are connected in parallel across a 9.00-V battery. Find (a) the current through, and (b) the voltage drop across, each resistor.
A typical small flashlight contains two batteries, each having an emf of 1.50 V connected in series with a bulb having a resistance of 18 Ω . A. If the internal resistance of the batteries is negligible, what power is delivered to the bulb? P = B. If the batteries last for a time of 4.1 h , what is the total energy delivered to the bulb? W = C. The resistance of real batteries increases as they run down....
(a) What is the current flowing through each resistor in a circuit consisting of a 48.0-V battery and a 24.0 Ω resistor connected in series with a 96.0 Ω resistor? (b) What is the voltage drop across each resistor? (c) What is the power dissipated in each resistor? (d) If the two resistors were connected in parallel rather than series, what would be the current flow through each resistor? (e) What would be the voltage drop across each resistor for...
A 270-kilo-ohm [kΩ] resistor and a 0.4-microfarad [μF] capacitor rated at 210 volts [V] are connected in series, meaning that all of the current through the resistor enters the capacitor. (a) Assuming that the capacitor is initially fully discharged and that a constant voltage of 5 volts [V] is maintained across the resistor, how long, in units of seconds [s], can this circuit operate before the voltage rating of the capacitor is exceeded? The circuit can operate for _...