When a R = 91.3 Q resistor is connected across a 12.3 V battery, a current of 123.1 mA flows. What is the internal resistance of the battery and Terminal voltage of the battery ? R (a) internal resistance of the battery(in 2) = (b) Terminal voltage of the battery in V =

(a) What is the internal resistance of a voltage source if its terminal voltage drops by 2.00 V when the current supplied increases by 5.00 A? (b) Can the emf of the voltage source be found with the information supplied?

A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.6 V when it is delivering 20.0 W of power to an external load resistor R. (a) What is the value of R? (b) What is the internal resistance of the battery?

A child's electronic toy is supplied by three 1.58-V alkaline cells having internal resistances of 0.0200 inseries with a 1.53-V carbon-zinc dry cell having a 0.100- internal resistance. The load resistance is 10.0 . (a) Draw a circuit diagram of the toy and itsbatteries, (b) What current flows? (c) How much power is supplied to the load? (d) What is the internal resistance of the dry cell if it goes bad, resulting in only 0.500 W being supplied to the load?

A 12.0-V emf automobile battery has a terminal voltage of 16.0 V when being charged by a current of 10.0 A. (a) What is the battery’s internal resistance? (b) What power is dissipated inside the battery? (c) At what rate (in °C/min ) will its temperature increase if its mass is 20.0 kg and it has a specific heat of 0.300 kcal/kg • °C, assuming no heat escapes?

When resistors with different resistances are connected in series, which of the following must be the same for each resistor? Choose all correct answers. (a) potential difference (b) current (c) power delivered (d) charge entering each resistor in a given time interval (e) none of those answers

A battery has emf 30.0 V and internal resistance r. A 9.00 Ω resistor is connected to the terminals of the battery, and the voltage drop across the resistor is 27.0 V. What is the internal resistance of the battery?

To find the internal resistance and emf of a battery, it is connnected across different loads (resistances) while the terminal voltage across the battery and the current delivered by the battery are measured. When the terminal voltage is 2.86 V, a current of 181 mA flows and when the terminal voltage is 2.81 V, a current of 371 mA. What are the emf and internal resistance of the battery?

A battery with emf, & = 15 V, has a terminal voltage of 12.8 V when it is delivering 18.5 W of power to a circuit resistor with unknown resistance, R. (a) Find the resistance of the unknown resistor. R = Ω (b) What is the internal resistance of the battery? Ω r =

In the circuit below the voltage of the battery is 40 V. C1 = 20.0μF, C₂ = 5.0 μF, C3 = 30.0 μF, C₁ = 30.0 uF. Find the equivalent capacitance in microfarad. Find the voltage for the capacitor C₂. HH HH 30% T TE 1 pts