Two wires of the same material have the same length but their radii are in the ratio of 5:3. They are combined in series, where the resistance of the thicker wire is 12 ohms. Calculate the total resistance of the combination. a) 40 b) 12 c) 32 d) 20
Q: Kabir bought 5 new light bulbs of 50 W each in addition to the 7 bulbs he already had in his house w...
A: C
Q: Q.4. Explain why an ammeter must be connected in series with a resistor while performing the KCL exp...
A: the Ammeter, is a device of a marginally lower resistance value, since it's designed to measure the ...
Q: Hi the question is on the image below.
A: As the Bicycle tire rotates θ radians in 7.71 seconds The arc made by the Bike tire in 7.71 s is S S...
Q: Electric flux coming out of a single Na+ ion is _________ Nm2C-1 a) 1.8*10-8 b) 1.8*10-10 c) 5.4*10-...
A: A
Q: A uniform 22 kg beam, 3.0 m long, is attached to a wall on the left by a hinge, and is supported by ...
A:
Q: A horizontal force of 80.0 N is applied to a 5.00 kg block as the block slides a distance of 0.800 m...
A:
Q: (4 blanks) An ice-making machine operates in a Carnot cycle. It takes heat from water at 0.0 oC and ...
A: As the machine is operating in carnot cycle, We have Tc=00C=273KTH=240C=297KNow effeciency is given ...
Q: Figure shows the energy-level diagram for neon. What wavelength is emitted when the neon makes a dir...
A: Given: The energy difference between two states is E=20.66 eV. The formula to calculate the energy...
Q: A truck is moving at 15m/s when the brakes are applied, in order to come to a stop before hitting a ...
A:
Q: Find the true statement. a) A Van de Graff generator produces large voltage and less current b) A Va...
A: A
Q: (Gauss's Law for Mass) Journey through the Center of the Earth. COLLAB. A 1024.kg blue ball is dropp...
A: Given Mass of blue ball, mball =1024 kg initial distance of ball from center of planet, r= 3.2 × 106...
Q: Question 11 Consider again 2D materials WSez and MoS, with exciton binding energies of 240 mev and 9...
A: Solutions of the question number 11. 2 D materials : If one dimensions of the nano materials is nan...
Q: Two loudspeakers are located 4.17 m apart on an outdoor stage. A listener is 21.7 m from one and 23....
A: Subpart (a): Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit...
Q: A solid conducting sphere has net positive charge and radius R = 0.500 m. At a point 1.20 m from the...
A: Given R=0.500m d=1.20m Vd=21.0V
Q: Two equal and opposite charges Q1 = 2 C and Q2 = -2C are placed at a distance of 6m from each other....
A: B
Q: Please help me urgent. Thank you
A: Let the mass suspended from the spring be m, the displacement of the mass from its equilibrium posit...
Q: Two point charges 1C and -1C are placed 5mm away from each other forming a dipole. What will be the ...
A: B
Q: positively charged sphere is taken close to another uncharged sphere then which of the following sta...
A: If two bodies are taken close to each other, a positively charged body induces a negative charge on ...
Q: The electric potential at an axial point of a dipole is the maximum. a) True b) False
A: A
Q: parallel plate capacitor has a plate area of 100 cm2 and is separated by a distance of 20 mm. Find i...
A: C
Q: One watt is equal to __________ a) one kilowatt per second b) one kilo joule per second c) one joule...
A: C
Q: What is the total work done on moving a test charge on an equipotential surface? a) Maximum b) Minim...
A: D
Q: An electron is to be accelerated from a velocity of 1.50x106 m/s to a velocity of 7.50x106 m/s. Thro...
A: Given data: Initial velocity of electron v=7.50×106 m/s Final velocity of electron u=1.50×106 m/s ...
Q: 7. A balloon weighs 9.8 x 10-*N. If two uniformly charged balloons are brought together, one with Q ...
A:
Q: A solid non conducting sphere of radius 1m carries a total charge of 10 C which is uniformly distrib...
A: Given, Total charge is 10 C and radius is 1 m
Q: How does stored energy vary with voltage
A: We know that the stored energy U = 1/2 CV2 So the energy is proportional to V2 of voltage.
Q: Work done to bring a unit positive charge from infinity to a point in an electric field is known as ...
A: A
Q: In which type of molecule positive and negative charges does not coincide with each other? a) Isentr...
A: C
Q: Describe how the capacitance varies with area
A: We know that, Capacitance, c=ϵ0Ad Here, A = area d = distance between plates Capacitance is pro...
Q: an electric dipole is placed in a non-uniform electric field ______ will act on the dipole. a) A for...
A: B
Q: Two equally charged spheres attract each other. Now if they touch each other then they will _____ a)...
A: D
Q: static electricity experiment can be performed properly in any season. The statement is ______ a) Tr...
A: B
Q: If a charge is placed outside a closed surface, flux due to that charge inside the surface will be _...
A: If a charge is placed outside a closed surface, flux due to that charge inside the surface will be z...
Q: What is the unit of surface charge density in the SI unit? a) C b) C/m c) C/m2 d) C/m3
A: C
Q: If a charge is placed outside a closed surface, flux due to that charge inside the surface will be _...
A: D
Q: What number of electrons will flow in one minute through a conductor that carries 1 Ampere current? ...
A: C
Q: 5. A ball starts off at rest. After the ball travels a distance of 50 m, the ball has a speed of 5 m...
A: Using the kinematic equation of motion Where v = Final speed, u = Initial speed, a = acceleration, ...
Q: During induction, earthing of the body is done for faster induction. a) True b) False
A: B
Q: If electric field intensity at a certain distance from a dipole on its axis is E1 and at the same di...
A: B
Q: A 1C charge is placed at the origin. Other infinite numbers of unit charges are placed at √2, √4, √8...
A: A
Q: Find the frequency with which the solid sphere (radius r) oscillates in the hallow sphere (radius R)...
A:
Q: Three charges are enclosed inside a spherical cesed surface. The net fux through the surface is228 N...
A: According to Gauss’ law,
Q: Two point charges with 5.00 µC and −3.00 µC charges are placed 25.0 cm apart. A third charge resides...
A: charge Q1 =5μC and second charge Q2=-3μC disctnace between them L=25m let say thied charge =q now be...
Q: These two waves travel along the same string: Y1 = (3.80 mm) sin(2.45tx - 340xt) Y2 = (6.00 mm) sin(...
A: The superposition of the waves can be written as, y=y1+y2=3.80 mmsin(2.45πx-340πt)+6.00 mmsin(0.868π...
Q: In which type of molecule positive and negative charges coincide with each other? a) Polar b) Unipol...
A: C
Q: If you have a piece of land but no idea what is its measurement and have no measuring tape with you,...
A: One can relatively measure the plot of the land using the knowledge of one's one height. One can arr...
Q: Q.5. What could be the possible reasons for errors in measurements?
A: error in measurement : Before learning the main point regarding errors in instrumentation, let us fi...
Q: 9. A ball is dropped from rest from a very tall building. Gravity accelerates the ball at 9.8 m/sec?...
A:
Q: In the inner region between the two capacitor plates, the electric fields due to the two charged pla...
A: B
Q: A cylinder of radius r = 0.4 m is about to start rolling down an inclined plane. The acceleration of...
A: Consider the direction down the incline to be positive x-axis, and direction perpendicularly upwards...
Two wires of the same material have the same length but their radii are in the ratio of 5:3. They are combined in series, where the resistance of the thicker wire is 12 ohms. Calculate the total resistance of the combination.
a) 40
b) 12
c) 32
d) 20
Step by step
Solved in 2 steps
