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8 A rosistance Ris connected in serios with a resistance 3R and a battery having an...
In circuit A, a resistor of resistance R is connected across the terminals of a battery with no internal resistance. In circuit B, an identical resistor is connected across a battery which is identical to the battery in the other circuit, except it has internal resistance r. 75.0% less power is dissipated in the resistor in circuit B than the resistor in circuit A. Determine the ratio r/R. Remember to express the answer with three significant digits.
A 26 Ω bulb is connected across the terminals of a 12.0 V battery having 3.1 Ω of internal resistance. What percentage of the power of the battery is dissipated across the internal resistance and hence is not available to the bulb? (Give your answer in decimal and in % format
Three identical resistors (each having a resistance of 6 Ohm) are connected in parallel to a 24 (Volt) battery. The total power dissipated in the circuit is?
Part 0 A battery with emf € and internal resistance r is first connected to a resistor of resistance R1 = R, where R is greater than r. This resistor is then disconnected from the battery and replaced with a resistor of resistance R2 = 2R. Find the ratio of the current with the second resistor to the current with the first resistor. Express your answer in terms of R and r. IVO AEO ? 12 11 Submit Request Answer...
A resistor with resistance R is connected to a battery that has emf 14.0 V and internal resistance r = 0.410 Ω. For what two values of R will the power dissipated in the resistor be 81.0W? (There is two answers)
You have an ideal 17 V battery (no internal resistance) connected to the circuit shown above. R1 = 25 12, R2 = 6112, R3 = 37 12, and R4 = 45 12. What is the power dissipated in the resistor, R4? Give your answer in watts, to three significant figures. E
A 1.5 V battery with an internal resistance of 5 Ohms is connected to a light bulb with a resistance of 20 Ohms in a simple, single-loop circuit. a) What is the current flowing in this circuit? b) What is the voltage difference across the light bulb and the internal resistor? c) Also calc the supplied power by the battery and power drops across the two resistors.
A battery has an emf of 12.0 V and an internal resistance of 0.050 0. Its terminals are connected to a load resistance of 3.00 V. (A) Find the current in the circuit and the terminal voltage of the battery(B) Calculate the power delivered to the load resistor, the power delivered to the internal resistance of the battery, and the power delivered by the battery
Two circuits A and B are connected in parallel to a 12 V battery which has an internal resistance of 0.25 Ω. Circuit A consists of two resistors 1 Ω and 5 Ω connected in series. Circuit B consists of two resistors 4 Ω and 7 Ω connected in parallel. Calculate the currents flowing through and the voltages across each of the five resistors (the four resistors of circuits A and B and the internal resistance). Calculate the power dissipated...
1)A battery having an e.m.f. of 105 V and an internal resistance of 1 Ω is connected in parallel with a d.c. generator of e.m.f. 110 V and internal resistance of 0.5 Ω to supply a load having a resistance of 8 Ω. Calculate: (a) the currents in the battery, the generator and the load; (b) the potential difference across the load. 1)b.Two batteries are connected in parallel. The e.m.f. and internal resistance of one battery are 120 V and...