A 9.0 V battery has an internal resistance of 12.0 ohms . (a) What is the potential difference across its terminals when it is supplying a current of 50.0 mA? (b) What is the maximum current this battery could supply?

Q: A real battery with emf 12.4 V and internal resistance 2.90 Ω is connected to a resistance of 5.35…

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Q: A 12.0 V emf automobile battery has a terminal voltage of 16.8 V when being charged by a current of…

A: Terminal potential difference across the battery is               VA -VC =16.8v…

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Q: 12.0 V emf automobile battery has a terminal voltage of 14.0 V when being charged by a current of…

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A: Given : Current , I = 2.22 A  Internal resistance , r = 0.06 ohm  Voltage , V = 0.98 V  To Find :…

Q: If you touch the terminal of a battery, the small area of contact means that the skin resistance…

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Q: In the figure battery 1 has emf 81= 14.0 V and internal resistance r = 0.040 Q and battery 2 has emf…

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Q: An ideal battery produces a potential difference of 17.45V and is connected to 4 resistors as shown…

A: Resistor R2 and R3 are in parallel, so the net resistance due to them is R23=R2R3R2+R3=2.43 Ω3.39…

Q: Three resistors, R1 = 17.3, R2 = 13.2, R3 = 78.0, are connected in series across a 16.6 V battery.…

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Q: Two batteries have the same emf &, but different internal resistances r1 and r2 > r2) are connected…

A: Terminal potential of a cell V = E - Ir  Where r = internal resi

Q: In (Figure 1) the battery has emf 43.0 V and negligible internal resistance. R1 = 7.00 Ω . The…

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Q: (a) Three 8.70 Q resistors are connected in series to a 16.0 V battery. What is the equivalent…

A: Given three resistors R1=R2=R3 each having a resistance R =8.7Ω connected to a battery with voltage…

Q: The potential difference across the terminals of a battery is 50.0 V when the circuit is open. When…

A: Given, Emf of battery, ε=50 V Current in circuit, I=2 A Potential difference across battery, V=16 V

Q: A capacitor is charged to a potential of 12.0 V and then connected to a voltmeter having an internal…

A: Write the given values with the suitable variables. V0=12 VR=3.4 MΩ=3.4×106 Ωt=4 sV=3 V Here, V0, R,…

Q: Each of the six real batteries in the figure has an emf of 20.3 V and a resistance of 4.120. (a)…

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Q: A and B. Battery A has an e.m.f. of 150 V and an internal resistance of 8.5Ω , and the corresponding…

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Q: A capacitor is charged to a potential of 12.0 V and is then connected to a voltmeter having a total…

A: Given that,The potential : V = 12 (V)Total internal resistance : r = 3.40 (MOhm)Time : t = 4…

Q: When the switch is open, the potential difference across the terminals of a battery is 20.0 V. When…

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Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 9.6 V when it is delivering…

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Q: A solar cell generates a potential difference of O.17 V when a 520Q resistor is connected across it,…

A: Given:R1=520Ω∆V1=0.17 VR2=940Ω∆V1=0.25 VA=2.5 cm2=2.5×10-4 m2I=5.1 mW/cm2=5.1×10-310-4=51 W/m2 Let…

Q: Light bulbs of the same material and properties are connected in parallel to a battery. Each of the…

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Q: A battery has an emf of 15.0 V. The terminal voltage of the battery is 11.4 V when it is delivering…

A: a) We know that power  P= V2/R R= 11.42/16 R= 8.12Ω

Q: Two ideal batteries: V1 of potential 27.02V and V2 of potential 5.89V provide power to the following…

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Q: (a) Find the current in a 8.60 Ω resistor connected to a battery that has an internal resistance of…

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Q: a) Determine the currents 11 1 1, 12 1 2, and 131 3 in the figure (Figure 1). Assume the internal…

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Q: A resistor with resistance 31.5 Q is connected to the terminals of a voltage source. (a) Calculate…

A: recall V=IR P=i2R

Q: a) Find the current in a 9.00 Ω resistor connected to a battery that has an internal resistance of…

A: (a)  Analyze the circuit diagram. Here, V, ε, I and r represent the terminal voltage, the emf of…

Q: Consider the circuit shown below. If the current going through resistor R₁ is 1.00 A, (a) what is of…

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Q: A battery has a terminal voltage of 6.0 V when no current flows. Its internal resistance is 1.0 Ω. A…

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Q: A circuit has four resistors connected to a 3.00-V battery: R1=15.0 ohms, R2=10.0 ohms, R3=25.0…

A: Given value--- A circuit has four resistors connected to a 3.00-V battery: R1=15.0 ohms, R2=10.0…

Q: In the figure the resistances are R₁ 1.20 and R₂-2.4 0, and the ideal batteries have emfs 81-1.8 V,…

A: given that The resistance of resistors are R1=1.2ΩR2=2.4Ω the emf of batteries are ε1=1.8Vε2=ε3=4.7V…

Q: An extension cord has a resistivity of p = 7.5 x 10-8 Ω.m. The cord is made from copper wire with a…

A: Given: An extension cord has a resistivity of ρ= 7.5 x 10-8 Ω.m The cord is made from copper wire…

Q: The terminal voltage of a battery is 13.5 v when 5 A current enters its positive terminal, but when…

A: It is given that, Terminal voltage of the battery = 13.5 V Current, I =5A

Q: A 597×10−6 F597×10−6 F capacitor is discharged through a resistor, whereby its potential difference…

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Q: 26.44 A 12.4-μF capacitor is connected through a 0.895-MO resistor to a constant potential…

A: Capacitance is defined as the ratio of the charge stored to the potential difference applied. Higher…

Q: In (Figure 1) the battery has emf 45.0 V and negligible internal resistance. R₁ = 7.00 2. The…

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Q: A toy battery has an emf of 33.0 V. The terminal voltage of the battery is 15.50 V when it is…

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Q: When you connect an unknown resistor across the terminals of a 1.50 V AAA battery having negligible…

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Q: The potential difference across a resting neuron in the human body is about 75.0 mV and carries a

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Q: r 24.0 V 6. The terminal voltage of the 24-V battery is 20 volts. What are (a) the internal…

A: SOlution: given that terminal voltage, V = 20 volts battery voltage, emf = 24 V current I = 4 A