There's a good chance you're completing this HW on a laptop. A typical laptop uses about 15 W of power provided by a battery operating at 11.5 V. Under such conditions, 10 hrs is a typical lifetime of the battery. What is the current delivered by the battery to the laptop in amps? Give your answer to 3 significant digits.
Q: 15. A 2.50-m cylindrical rod of diameter 0.500 cm is connected to a power supply that maintains a…
A: Solution: Voltage across the rod, V = 18.0 V Length of the rod, L = 2.50 m = 250 cm Diameter, d…
Q: A 100 W lightbulb and a 60 W lightbulb each operate at a voltage of 120 V. Part A Which bulb carries…
A: Voltage, V = 120 VPower, P1 = 100 WPower, P2 = 60 W
Q: Variations in the resistivity of blood can give valuable clues to changes in the blood’s viscosity…
A: Given: The diameter of the vein is 1.5 mm. The distance between the points is 5.0 cm. The potential…
Q: A resistor rated at 220 kn is connected across two D cell batteries (each 1.50 V) in series, with a…
A:
Q: A conductor has a cross- sectional area of 2.3x106 m2 and the number of free electrons per unit…
A:
Q: Resistance of potentiometer wire is 12 per meter. A Daniel cell of e.m.f. 1.08 v balances at 216 cm…
A: To find-(1) Current through wire=?(2) Balancing length (l2)=?Given-Resistance per meter=1 ohmE1=1.08…
Q: In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms. What is the current…
A: Current in terms of charge
Q: Wire C and wire D are made from different materials and have length Lc=Lp=2.4 m. The resistivity and…
A: The resistance of a wire of length , cross-sectional area , and resistivity is given by,GivenWire C…
Q: a) The amount of charge that passes through a copper wire in 5.4 s is 2.37 C. Find the current in…
A:
Q: Suppose a medical device attaches electrodes into a 1.5-mm -diameter vein at two points 5.0 cm…
A:
Q: typical lightning bolt may last for 0.172 s and transfer 1.05 ✕ 1020 electrons. Calculate the…
A: Given: The time interval is 0.172 s. The number of electrons is 1.05x1020.
Q: Wire C and wire D are made from different materials and have length LC = LD = 4.3 m. The resistivity…
A: Since you have posted questions with multiple sub-parts, we will solve the first three for you. To…
Q: Transmission of Nerve Impulses. Nerve cells transmit electric signals through their long tubular…
A: Given:- Transmission of Nerve Impulses, Nerve cells transmit electric signals through…
Q: A heart defibrillator passes 11.5 A through a patient's torso for 5.00 ms in an attempt to restore…
A:
Q: A solid cube of silver has a mass of 90 g. The density and resistivity of silver are 10.5 g/cm³ and…
A: The objective of the question is to find the resistance between opposite faces of a solid cube of…
Q: onducting sphere is charged by an emf source E through a 1.00 M stor. When the sphere is fully…
A:
Q: A 5.00 A current runs through a 12 gauge copper wire (diameter2.05 mm) and through a light bulb.…
A: Given, I=5A=5C/s t=1s n=8.5×1028 we know, I=qtq=I×tq=5C
Q: Variations in the resistivity of blood can give valuable clues to changes in the blood's viscosity…
A: Given: The diameter of the vein is 1.5 mm. The distance between the points is 5.0 cm. The potential…
Q: Given is a current-versus-potential-difference graph for a cylinder. What is the cylinder’s…
A:
Q: In a discharge tube, the number of hydrogen ions 18 (i.e., protons) drifting across a cross-section…
A:
Q: Is this the right answer?
A: Step-1:To determine: what is the charge at time t=6s.Given information:Between time t < 0 to t =…
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: In the figure, E₁ = 6.00 V, E₂ = 12.0 V, R₁ = 100 N, R₂ = 200 N, and R3 = 300 N. What are the size…
A:
Q: Four resistors of 12 2 each are connected in parallel. Three such combinations are then connected in…
A:
Q: In a given fluid, positive ions, each with 2 excess protons, move to the right at a steady rate of…
A:
Q: The Iceberg Kid, infamous for imposing a deep freeze on whoever disagrees with him, discovers that…
A: Given., Thermal energy is generated W = 177 J For time t = 7.69 Voltage V = 12 V We know the…
Q: A heart defibrillator passes 10.5 A through a patient's torso for 5.00 ms in an attempt to restore…
A:
Q: A 2.0 cm long tungsten filament in a florescent light bulb has a radius of 0.3 mm. Assume constant…
A: A 2.0 cm long tungsten filament in a florescent light bulb has a radius of 0.3 mm. cross sectional…
Q: A tungsten wire is used to determine the melting point of lead. A battery of 6.00 V is attached to…
A:
Q: 1.70 mm cylindrical rod of diameter 0.550 cm is connected to a power supply that maintains a…
A:
Q: At 20°C, a 7.5 m long copper wire has a cross-sectional diameter of 1 mm. If 15 A of current flow…
A: temperature, T=20 o C length of copper wire, l=7.5 m cross-sectional area, A=1 mm= 1x (10-3 m)2 = 1…
Q: In the figure,E₁6.00 V, E₂-12.0 V, R₁100 S2, R₂-2002, and R3-300 2. What are the (a) size and…
A: The circuit is given below:
Q: Wire Cand wire D are made from different materials and have length Lc = LD = 2.6 m. The resistivity…
A: Concepts: The resistance of a wire of length L and cross-section A is given by, R=ρLA…
Q: A conducting sphere is charged by an emf source E'through a 1.00 M2 resistor. When the sphere is…
A:
Q: A current of 1.6 A flows for 8.9 s through a conductor. Calculate the number of electrons that pass…
A:
Q: 1. Consider a cylindrical wire that has conduction electron density 6.0 x 1028 and radius 0.5 mm. An…
A: The average velocity obtained by charged particles (e.g. electrons) in a material owing to an…
Q: A ΔV = 2.3 V battery loses E = 5.5 J of energy each day (t = 24 hrs) powering a cell phone. a)…
A: ΔV = 2.3 V E = 5.5 J t = 24 hours
Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current…
A:
Q: The resistance of the skin on a person's finger is typically about 37,000 N. How much voltage would…
A: According to Ohm's law, the current through a conductor between two points is directly proportional…
Q: If Ri = 36 Q, R2 = 76 Q, and R3 = 110 Q, find the current through R1. Source of emf1 (E1) = 15 V…
A:
Q: Current 1. A silver wire 2.6 mm in diameter transfers a charge of 420 C in 80 min. Silver contains…
A: The current in the wire=The rate of charge flow The drift velocity, vd=IneA I is the current…
Q: Q3. An automobile battery has a potential difference of 12.0 V and sends current through a circuit…
A: Given: The potential difference is 12 V. The resistance is 1.5 ohm. The length of the wire is 1.0 m.…
Q: A 220 ohm resistor has a diameter of 4.0 mm. If 1.0 C of charge moves through the resistor in 1.0…
A: The objective of this question is to calculate the uniform current density in a resistor given the…
Q: An aluminum wire having a cross-sectional area equal to 4.60 x 106 m? carries a current of 7.50 A.…
A: Given, Area(A)=4.60×10^-6m² Current (I)=7.50A Density=2.7g/cm³ Drift Velocity=?
Q: Measurements made during severe electrical storms reveal that lightning bolts can carry as much as…
A: Charge (Q) = 30 C Time (t) = 100 μsV = 400 million volts
Trending now
This is a popular solution!
Step by step
Solved in 2 steps