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Question 1
Aluminum has a resistivity of 2.7*10-8 Ωm. What would be the resistance of 100 m of aluminum wire with a cross-sectional area of 2*10-4 m2?
Question 2
A 10 ohm resistor and a 20 ohm resistor are connected in parallel. What is the equivalent resistance of this setup?
Question 3A 4 ohm resistor and 10 ohm resistor are connected in series. If this circuit is connected to a 12 V battery, how much current will flow through the circuit?
Question 4A 30 ohm resistor is connected to a 1.5 V battery. How much power is dissipated by the resistor?
Question 5Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?
Two sealed containers with volumes V1 and V2, respectively, contain dry air at pressures p1 and p2 and room temperature T. Find an expression (in symbolic form) for the new pressure
A football player, starting from rest at the line of scrimmage, accelerates along a straight line for a time of 1.5 s. Then, through a negligible amount of time, he changes the magnitude of his acceleration, he continues in the same direction for ano..
An electrically neutral thin, square metal slab, measuring 6.00cm on a side is placed in a uniform external field that is perpendicular to its square area. What is the total charge on the negative side of the slab
A 7.4muC charge and a -4.3mC charge are inside an uncharged sphere. What is the electric flux through the sphere
a meteorologist for a tv station is using radar to determine the distance to a cloud. he notes that a time of 0.28ms
ssuming the kinetic energy of a neutron, confined inside acubic box, is 10 MeV in its ground state, calculate the size of the box. What are the energyies of the next three excited states?
The potential dissimilarity across a resting neuron in the human body is about 90.0 mV and carries a current of about 1.340 mA. How much power does the neuron release?
A particle is acted on by two torques about the origin: ?1 has a magnitude of 4.5 N·m and is directed in the positive direction of the x axis, and ?2 has a magnitude of 3.2 N·m and is directed in the negative direction of the y axis. What are the mag..
An electron is confined to a box size of a small atom, 0.10 nm across. What's the uncertainty in the electron's momentum
Two 100cm2 parallel electrodes are spaced 2cm apart. Oneis charged +5μC, the other -5μC, A 1.0cm x 1.0cm surfacebetween the electrodes is tilted to where its normal makes a 45degree angle with the electric field. What is the electric flux through ..
What is the rms current in a series RC circuit if = 3.2 kOhm, C = 0.8 microfarads (uF) , and the rms applied voltage is 130V at 79Hz? What is the power dissipated by the circuit
A taut string connects a 5-kg crate to a 12-kg crate. The coefficient of static friction between the smaller crate and the floor is 0.573; What is the tension in the rope when that force is applied
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