A typical cell phone battery supplies a 1.5 V potential. If your phone battery supplies the power P, what is a good estimate of the current supplied by the battery?

Q: A battery charger is connected to a dead battery and delivers a current of 6.0 A for 5.0 hours,…

A: Given data:     Current, I = 6 A      Time, t = 5 h ×3600 = 18000 s      Voltage, v = 12 V

Q: The following table gives the electric potential difference VT across the terminals of a battery as…

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Q: A 30.0 µF capacitor initially charged to 30.0 µC is discharged through a 2.70 kN resistor. How long…

A: Given that  Capacitance of capacitor is  C=30.0 μF⇒C=30.0×10-6 F Initial charge on capacitor is…

Q: A 15 µF capacitor is charged to a potential of 75 V and then discharged through a 300 Q resistor.…

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Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…

A: Here,We apply nodel analysis,So,V-V1r1+V-V2r2+VR=0V-121+V-121+V20=02V -24 =-V2040V -480 = -V41V…

Q: A capacitor with capacitance C = 2.5 µF is charged to a voltage V = 5V. It is then discharged…

A: The capacitance of the capacitor is 2.5 μF. The resistance of the resistor is 100 Ω. The charged…

Q: A 200 micro Farad capacitor is charged up by connecting it in series with a 10,000 ohm resistor and…

A: The maximum amount of charge stored in a series RC circuit

Q: A 2002 load receives power from parallel-connected battery cells, as shown in the figure below.…

A: Equivalent emf, when two cells are in parallel Emf = E1×r2 + E2 × r1/(r2 + r1)  And the equivalent…

Q: For the purpose of measuring the electric resistance of shoes through the body of the wearer…

A: Given data ε=50 V According Ohm's law  R=VIV= Potential differenceI=current

Q: Dry air is a pretty decent insulator; it has a very high resistivity of 3 x 105 2 · m. Consider a…

A: 10. Given: Side of square plate is a=15 cm=15×10-2 m. So, the area of plate is: A=a2A=15×10-2…

Q: A 100 μF defibrillator capacitor is charged to 1500 V. When fired through a patient's chest, it…

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Q: A 60-µF capacitor is charged to 250 V and is then connected across a 1500 N resistor. The amount of…

A: The initial charge on a capacitor is, Q0=CV=60 μF250 V=60×10-6 F250 V=0.015 C The resistance is,…

Q: R1 R1 R2 E3 E1 R1 R1 2. Based on the figure above, if the resistors are given a value of R1 = 1N and…

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Q: An initially uncharged capacitor of 762 x 10^-6 F is connected to a resistor. When the circuit is…

A: SOlution: given that C = 762 x 10^-6 F t = 7.32 s  for capacitor to become 77.9% fully charged.

Q: A capacitor C = 55 µF, resistor R = 200 2 and a voltmeter are connected to a battery of Emf = 6 V as…

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Q: In the figure the ideal batteries have emfs E1 = 4.9 V and E2 = 13.2 V, the resistances are each…

A: Given: Emf E1 = 4.9 V Emf E2 = 13.2 V Resistance = 1.64 ohm each in the circuit

Q: A 15.7 μF capacitor initially charged to 41.0 μC is discharged through a 1.30 kΩ resistor. How long…

A: Required timet = 0.01414 s t = 14.14 ms Explanation:

Q: in Figure (a), both batteries have emf ɛ = 1.30 V and the external resistance R is a variable…

A: Voltage across Battery is given as, Vb=ε-ir where ε is emf            i is current            r is…

Q: 34.0 33.8 33.6 33.4 10 I (A) Figure shows the electric potential AV across the teminals of a battery…

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Q: A resistor with resistance 25.5 2 is connected to the terminals of a voltage source. (a) Calculate…

A: a. Current through resistance is I=VR=7.5 V25.5Ω=0.29 A

Q: A wire is 100.0 m long and 0.800 mm in diameter. The first x meters of the wire is made of copper…

A: Given: The length of the wire is 100 m. The diameter of the wire is 0.800 mm. The potential…

Q: A heart pacemaker fires exactly 73times a minute. Each time it fires, a 35.0 nF capacitor is charged…

A: Capacitance = C = 35 nF Charge in capacitor = 0.682 times its full voltage Time taken = 60 sec73

Q: A 1.5 microfarad capacitor is charging through a 14 ohm resistor using a 15.0 V battery. What will…

A: The capacitance of the capacitor,(C)=1.5 μF=1.5 x 10-6 F ----(1) [Given] [Using 1 μF=10-6 F]…

Q: A 10 mF capacitor is charged to a voltage of 200 V and discharged through a resistor. How much…

A: Ans:- Image-1

Q: capacitor is charged

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Q: 2. Two ideal batteries are placed in the configuration as above. Battery one has the potential E1 =…

A: Given values: ε1=100 Vε2=25 VR1=2 ΩR2=0.5 ΩVP=50 V

Q: Measurements made during severe electrical storms reveal that lightning bolts can carry as much as…

A: 1) Write the expression for the charge and substitute the required values to calculate the current.

Q: An initially uncharged capacitor of 697 x 10-6 F is connected to a resistor. When the circuit is…

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Q: A cell phone contains a battery rated at 2600 mA # h = 2.60 A # h. How many electrons can this…

A: Introduction: Current=ChargeTime Ampere is unit of current mA = milli Ampere is smaller unit of…

Q: In the figure the ideal batteries have emfs E1 = 4,89 V and E2 = 10.2 V, the resistances are each…

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Q: The potential difference across a resting neuron in the human body is about 70.0 mV, and the current…

A: WE KNOW THAT POWER P=IVgiven V=70mVI=200μA

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: Find the potential

A: