a 10 V battery connected to a resistor produces a 5 mA (milliamperes)current. what is the...
A battery with an emf of 9.75 V is connected to a 67.0 Ω resistor. The current through the battery is 115 mA. What is the battery's internal resistance (in Ω)? Ω
When 4.5 V battery is connected to a resistor, the ammeter measures a current of 15 mA. Find the resistance of the resýstance. If the length area of the resistor is 6 m and 1.5 x10-8 m2 respectively, calculate the resistivity of the material of the resistor. Equation: V=IR, R= p L/A
1. A battery having an emf of 9.34 V delivers 116 mA when connected to a 67.5 Ω load. Determine the internal resistance of the battery. Ω 2.Three 9.4 Ω resistors are connected in series with a 19.0 V battery. Find the following. (a) the equivalent resistance of the circuit Ω (b) the current in each resistor A (c) Repeat for the case in which all three resistors are connected in parallel across the battery. equivalent resistance Ω current in...
A 16.0 V battery produces a current of 0.50 A over a resistor. What is the value of the resistance?
A 50-Ω resistor is connected across a battery, and a 26-mA current flows. When the 50-Ω resistor is replaced with a 23-Ω resistor, a 43-mA current flows. A) What is the battery's voltage? B) What is internal resistance? I need the correct answers to 2 significant figures.
At 20°C, the carbon resistor in an electric circuit connected to a 7.3-V battery has a resistance of 1.8 ✕ 102 Ω. What is the current in the circuit when the temperature of the carbon rises to 75°C? mA
At 20°C, the carbon resistor in an electric circuit connected to a 4.2-V battery has a resistance of 2.3 ✕ 102 Ω. What is the current in the circuit when the temperature of the carbon rises to 83°C? Answer in mA.
2, (A) Sketch a circuit with a 10 V battery connected across a 20 Ω resistor. (B) Indicate the positive and negative poles of the battery. (C) Indicate the direction of positive current flow 3. How much current flows through your resistor in question (2)? 4. A certain wire has a resistance of 10 Q. (A) What is the resistance if twice as much length of wire is used instead? (B) What is the resistance if two such 10 Ω...
What voltage will produce 0.35 A of current through a 4800-Ω resistor? A 9.0-V battery is connected to a bulb whose resistance is 2.2 Ω How many electrons leave the battery per minute? What is the resistance of a 7.4-m length of copper wire 1.4 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m A 12-V battery causes a current of 0.72 A through a resistor. What is its resistance? How many joules of energy does the battery lose in...
A battery having an emf of 9.03 V delivers 120 mA when connected to a 62.5 load. Determine the internal resistance of e battery Need Help? Read [-720 Points] DETAILS SERCP11 18.3.P.006. Three 6.2 resistors are connected in series with a 2.0 V battery. Find the following. (a) the equivalent resistance of the circuit (b) the current in each resistor (c) Repeat for the case in which all three resistors are connected in parallel across the battery. equivalent resistance current...