A 5V charger is connected to a smart phone. The charger can supply 1.5A. The phone requires 54kJoules to become fully charged. How long does it take for the phone to get fully charged?

Q: An electric car accelerates for 9.9 s by drawing energy from its 340-V battery pack. During this…

A: Total charge supply by battery pack,

Q: V 1 , V 2 , V 3 , and  I1 , I2 , I3 apply to the respective resisters. V C  and  Q refer to the…

A: It is given that

Q: Calculate the rate of the flashlight’s energy consumption. Suppose a flashlight has 6.8 × 102 C…

A: Given data:  Charge (q) = 6.8×102 C Time (t) = 0.35 h Voltage (V) = 3.00 V Required: Power (P)

Q: A charge of 4.00 C of charge passes through a pocket calculator’s solar cells in 4.00 h. What is the…

A:

Q: A heart pacemaker fires 69 times a minute, each time a 25.0 nF capacitor is charged (by a battery in…

A:

Q: - Find the voltage, Vs in the electric network shown in figure B,

A: Need to find: Voltage Vs

Q: A power supply with a DC voltage of 5.0 V discharges 500.0 J of energy through a 25 Ohm resistor.…

A: The current through the resistor can be calculated using ohms law.

Q: The battery capacity of a lithium ion battery in a digital music player is 750 mA-h. The…

A: From the quantization rule of charge, the charge on a body is given as an integral multiple of the…

Q: Someone watches TV on average 4 hours each day. The TV is connected to a 220 Volt voltage so that…

A:

Q: Three resistors of resistances R1 = 14.8 Ω, R2 = 70.3 Ω, and R3 = 39.7 Ω are connected in parallel.…

A:

Q: identical light bulbs are connected to two power supplies, ε1 = 40 V, and ε2 = 80 V. Each light bulb…

A: Equivalent resistance in series  R = R1 + R2  Equivalent resistance in parallel  1/R = 1/R1 + 1/R2

Q: %3D In the circuit shown, R1 = 30, R2 = 20, R3 = 50, ɛ 4V, 82 = 10V and ɛ3 = 6V. b a E1 + E2 + E3 +…

A:

Q: A car battery has a voltage of ε = 12 V. To turn the starter on a car the battery must supply I =…

A:

Q: 2. &=3.00 V, &= 1.00 V, R₁ = 4.00 £2, R2 = 2.00 2, R3 = 5.00 £2, and both batteries are ideal. What…

A: The objective of the question is to find the rate at which energy is dissipated in resistors R1, R2,…

Q: A battery with terminal voltage ΔV = 2.6 V contains E = 2.6 kJ of energy. It is connected to a P =…

A: The objective of the question is to find the resistance of the light bulb and the time the battery…

Q: The wall charger for an iPhone is 900mA. If you have it plugged into the wall for 2 hours, how much…

A: Current throgh charger: i = 900 mA = 0.9 A Standard voltage of iPhone charger : V = 5 V

Q: The capacitor in the figure has a capacitance of 33 µF and is initially uncharged. The battery…

A: Charge flowing Q=CV

Q: Measuring Blood Flow. Blood contains positive and negative ions and thus is a conductor. A blood…

A: Motion emf induced on 'l' length of conductor moving perpendicular to magnetic field is v × B × l If…

Q: The friends decide to compute how long a medical professional must wait for a defibrillator with R =…

A: In the question, the following information was given: Capacitance (C) = 30 µF Resistance (R) = 50…

Q: In physics, the half-life is often used to characterize exponential decay of physical quantities…

A:

Q: When a light bulb is connected across the terminals of a battery, the battery delivers 21.1 W of…

A: Given data: Power delivered by battery (P) = 21.1 W Voltage (V) = 10.0 V Internal resistance (R) =…

Q: In the circuit shown in the diagram below, two thick copper wires connect a battery to a nichrome…

A: Given:Lc = 10 cm = 0.1 mLn=5cm = 0.05mEc=0.040 V/mEn=17 V/m

Q: A 22.0 V battery moves 7.6 KC of charge. How much energy does the battery deliver? A 2.9 x 10-³ J B…

A:

Q: In the following Figure, R1=0.5 Ohm, R2=0.5 Ohm, and R3=5 Ohm. The current through R2 is 4.00 A.…

A: Given: From figure Resistance R1 = 0.5 ohm Resistance R2 = 0.5 ohm Resistance R3 = 5 ohm The current…

Q: a) Using mesh analysis, find lı and lz in the circuit of Figure1. 40 Ω j10Ω m 40/30° V I -j20 Ω…

A:

Q: A 4.50-volt personal stereo uses 1950 joules of electrical energy in one hour. What is the…

A: Given data:   Voltage (V) = 4.50 V Energy (E) = 1950 J Time (t) = 1 hour = 3600 s Required:…

Q: Chapter 27, Problem 033 GO In the figure the current in resistance 6 is i6 = 1.47 A and the…

A: Dear student, Since both questions are different as per guidelines we can author only first one…

Q: If a certain defibrillator has a 154 µF capacitor charges to 2,697 V.  If this electrical charge is…

A: The charge on the capacitor is given by,

Q: Measuring Blood Flow. Blood contains positive and negative ions and thus is a conductor. A blood…

A: The blood vessel is placed in the magnetic field, the electric force is equal the magnetic force.…

Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage…

A: Given data:  Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ

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: V2 2.00 0 where V = V2 =2.00 V.

A: Given  Resistance R = 2 ohm  V1 = 2 V  V2 = 2 V

Q: 5.0Ω 120 V 6.00 3110 4.0 Ω 8.0 Ω 1 A. The total current through the circuit is А. B. The voltage…

A: Find total current through the circuit ,voltage across the 8 ohm resistance and the power dissipated…

Q: A charge of 4.00 C of charge passes through a pocket calculator’s solar cells in 4.00 h. What is the…

A:

Q: In the circuit below the voltage of the battery is 40 V. C₁ 20.0 μF, C₂: 5.0 μF, C3 Find the voltage…

A: