A light bulb and a resistor are connected in series to a variable power supply. A...
2) A resistor of unknown resistance is connected to a power supply capable of producing electrical potentials from 0 volts to 10.0 volts. A student connects an ammeter in series with the power supply and resistor so that he can record the current flowing through the system. He produces the chart shown below. Potential Difference vs. Current M Potential Diff (V) 1.0 0.01 0.02 0.03 0.04 2.0 Current (A) 0.008 0.018 0.026 0.035 0.047 Current (A) 4.0 a. Label the...
(a) A capacitor of capacitance 220 μF is connected in series with a 150 kΩ resistor, a switch and an ammeter. A d.c. power supply of negligible internal resistance is connected to the circuit as shown below 1 50 kΩ 220HF A stopclock is started and after 10 seconds the switch S is closed Ammeter readings are noted at regular intervals until a time of 80s is shown on the stopclock. The graph below shows how the current in the...
A circuit consists of two resistors connected in series with a power supply, as shown in the figure. The resistance of ?1 is less than the resistance of ?2. A series circuit with two resistors R subscript 1 and R subscript 2. R subscript 1 is connected to the positive terminal of the power supply, and is the first resistor in the circuit. Which resistor has the greater current flowing through it? ?2 ?1 The current through each resistor is...
15 Electrical Circuits Lab E: PARALLEL CIRCUITS Name wr w¡ฆ now discover how cument, voltage, and r cireuit. Set the power supply at 1.5 V for this lab, or use a single dry cell EXCEED ISV resistance eperate in any parallel 1.5 Do NOI Step 1: Set sp a circuit with a power supply set at 1.5 V and two resistors as shown in diagram A. The ammeser is positioned to measure the current entering Diagram A resistor one (Rj...
1. A battery is connected to a light bulb, lighting the bulb. Where in the circuit is the current the greatest? A) inside the battery B) it's the same at all these points C) inside the light bulb filament D) between the light bulb and the negative terminal of the battery E) between the positive terminal of the battery and the light bulb 2. The emf of a battery is: A) its internal resistance B) the voltage difference it provides...
An ac power supply produces a maximum voltage delta V_max = 100 V. This power supply is connected to a 24.0-ohm resistor, and the current and resistor voltage are measured with an ideal ac ammeter and voltmeter as shown in the sketch below: What does each meter read? An ideal ammeter has zero resistance and an ideal voltmeter has infinite resistance. (70.7 V;2.95 A)
A circuit consists of two resistors connected in series with a power supply, as shown in the figure. The resistance of Ri is greater than the resistance of R2 Which resistor has the greater current flowing through it? O The current through each resistor is the same. Which resistor has the greatest voltage difference across it? The voltage across each resistor is the same.
A 9.0-Ω resistor and a 6.0-Ω resistor are connected in parallel across a power supply, and the current through the 9.0-Ω resistor is found to be 0.25 A. Find the voltage setting of the power supply. A series RC circuit for which C = 6.0 μF, R = 2.0 × 106 Ω, and ε = 20 V. Find the maximum charge on the capacitor after a switch in the circuit is closed.
(1) The following diagram shows a simple circuit with a power supply and a resistor. A student measured the voltage V across the resistor and the current I going through the resistor as V ± δν = 11.8 ± 0.2 V and 1 ±81 = 35.4 ± 0.6 mA. Calculate R and δR, and record in the format R+8R (units). E,-12V resistor Power source current
1.) A circuit consists of a power supply and two resistors R1 and R2 connected in parallel.An Ammeter is placed to measure the current out of the power supply.The power supply provides 10.6 Volts, the Ammeter shows 19.9 mA, and the resistance of first resistor is R1 = 3.0 kOhm. Deduce the current through the 2nd resistor. The answer may be given in A or in mA. 2.) A circuit consists of a power supply and two resistors R1 and...