A resistor with resistance R is connected to a battery that has emf 14.0 V and internal resistance r = 0.37 N. Part A For what two values of R will the power dissipated in the resistor be 76.0 W? Express your answers in ohms. Enter your answers separated by a comma. ? R1, R2 = Ω Submit Request Answer
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- IP Three resistors, R₁ = 30, R2 = 68 2, and R3 = R, are connected in parallel with a 12 V battery. Part A The total current flowing through the battery is 0.88 A. Find the value of resistance R. Express your answer using two significant figures. R= Submit Part B I1, I2, I3 = | ΑΣΦ Submit 3 Request Answer Find the current through each resistor. Enter your answers numerically separated by commas. Express your answers using two significant figures. [ΨΕΙ ΑΣΦ ? Request Answer Ω ? AA standard 100 W (120 V) lightbulb contains a 7.0-cm-long tungsten filament. The high- temperature resistivity of tungsten is 9.0 × 10-7 Ω m. Part A What is the diameter of the filament? Express your answer with the appropriate units. d = Submit μÅ Value Request Answer Units ****** **** ?A flash unit for a camera has a capacitance of 1800 uF . Part A What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 22 s? Express your answer using two significant figures. [ΨΕΙ ΑΣΦ R = Submit Previous Answers Request Answer ? ΚΩ
- A voltage source, V, supplying 100 V, is connected to two resistors R1, with a resistance of 400Ω, and R2, with a resistance of 550Ω. R1 and R2 are in series. The voltage source has an internal resistance Ri, which is equal to 50Ω. Draw and annotate an electrical circuit model for this circuit. Use, as a minimum, V, I, R1, R2 and Ri to annotate your diagram. Find the current, I, that flows through the circuit, in Amps. Find the voltage drops across the resistors R1 and R2, in Volts.A.) Determine Reg for the combination of resistors shown below. R, = 600 N, R2 = 500 N, & R3 = 800 2. R1 R2 Reg R3In the circuit below, both batteries are identical as are both resistors. The batteries carry an emf of 6 V and the resistors carry a resistance of 12 Ω.A. Find the current in the circuit
- A 10 μF capacitor initially charged to 25 μC is discharged through a 1.4 kΩ resistor. Part A How long does it take to reduce the capacitor's charge to 10 μC? Express your answer with the appropriate units.Part A What is the resistance of A 1.0-m-long gold wire that is 0.50 mm in diameter? Express your answer in ohms. ? R = Ω Submit Request Answer Part B A 10-cm-long piece of carbon with a 1.4 mm x 1.4 mm square cross section? Express your answer in ohms. ? R = Submit Request AnswerAn ammeter whose internal resistance is 60 2 reads 5.43 mA when connected in a circuit containing a battery and two resistors in series whose values are 500 n and 450 2. Part A What is the actual current when the ammeter is absent? Express your answer using two significant figures. I = A