Give the principle and application behind neutron log ?
Q: The sensitivity of the meter bridge is at the peak when all resistors have the same order. a) True b...
A: A
Q: Which of these relation holds good for an Ohmic conductor? a) V-I relationship is non-linear b) The ...
A: B
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: Calculate the speed of an electron if it travels in a circular path of radius 50 cm in a magnetic fi...
A: C
Q: Find the frequency with which the solid sphere (radius r) oscillates in the hallow sphere (radius R)...
A:
Q: Two resistors are connected in parallel, whose resistance values are in the ratio 3:1. Find the rati...
A: Given, r1r2=31 P= vIfor paralell combination, voltage is same across each componentP1P2=v1I1v2I2=I1I...
Q: What should be the minimum magnitude of the magnetic field that must be produced at the equator of e...
A: C
Q: A cliff diver positions herself on a cliff that angles downwards towards the edge. The length of the...
A:
Q: magnet can only repel another magnet. So, ‘X’ is a surer test of magnetism. Identify X. a) Directive...
A: Given: A answer is shown below as,
Q: 5. The figure below shows a slab made of three different materials X, Y and Z having refractive indi...
A: From diagram, Ray of light from water to X material using alternate angles concepts, the angle of i...
Q: 4. The diffuser in a jet engine is designed to decrease the kinetic energy of the air entering the e...
A:
Q: magnetized needle of the magnetic moment 20 JT-1 is placed at 60o with the direction of the uniform ...
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: 7. A balloon weighs 9.8 x 10-*N. If two uniformly charged balloons are brought together, one with Q ...
A:
Q: what design features in well completions in oil and gas industry?
A: Well completion is a process of making well ready for functioning. Well is the main component in oil...
Q: Q.7. Write any three reasons which could lead to an incomplete circuit(current does not flow) when c...
A: The connections between ground or return path are soo poor which leads to unwanted resistance inside...
Q: In series connection of resistors, what happens to the current across each resistor? a) Increases b)...
A: C
Q: Four particles of charge q1 = q2 = q4 = +10 uC and q3 = -10 µC are arranged in the corners of a 9 cm...
A:
Q: Which of the following relation is significant for metals when the temperature increases? a) Resisti...
A: A
Q: X’ is the product of the pole strength of either magnetic pole and the magnetic length of the magnet...
A: B
Q: Alpha particles of mass 6.68 × 10-27 Kg and charge 3.2 × 10-19 C is accelerated in a cyclotron in wh...
A: A
Q: cell has an emf of 6V, internal resistance of 1 ohms and a current of 0.5 A passing through it. This...
A: B
Q: unknown charge Q2 is moving in a circular motion around Q1. The speed of the particle is 3 m/s and t...
A: The electrostatic force between two charged particles with charges Q1 and Q2 is given by, F=KQ1Q2r2 ...
Q: How many quantities are required to specify the magnetic field of the earth? a) 1 b) 2 c) 3 d) 4
A: C
Q: Calculate the T force on the carrier cable of the single rail crane shown in the figure and the reac...
A: Given: The length of the beam AB L = 5 m. The mass per unit length M = 95 kg/m.
Q: (a) A defibrillator connected to a patient passes 12.0 A of current through the torso for 0.0700 s. ...
A: Given data: The current is I=12.0 A. The time is t=0.0700 s.
Q: Help me fast so that I will give Upvote.
A: The moment of force is nothing but torque, in this case, Torque is given by; Moment of force= Torque...
Q: The moon's radius is 1.74 x 106 m, and the acceleration due to gravity on the moon is 1.63 m/s2. For...
A: we know that, g = GM/ R2 So, GM/ R = g * R Velocity of satelite, V = √ (GM/R) = √(1.63*1.74*106) ...
Q: A resistor and a capacitor are connected in series to a voltage source. The time constant for the ci...
A: When a resistor and a capacitor are connected in series to a voltage source, the time constant for t...
Q: Find the false statement. a) Sum of voltage over any closed loop is zero b) Kirchhoff’s Laws can be ...
A: C
Q: b Find the center of mass and moment of inertia for a quarter of a regular circular plate of radius ...
A: The center of mass of a body is a point where the entire mass can be considered to be concentrated. ...
Q: positive charge is moving vertically upwards. when it enters a region of magnetic field directed tow...
A: C
Q: State the relationship of the following: changes in internal energy, work done, and thermal energy s...
A: According to the first law, Thermal energy supplied(Q) is equal to the work done by the system(W) an...
Q: A capacitor is made of 2 rectangular metal plates with side length of 3cmx6cm separated by a distanc...
A: Given: The length of rectangular plate is L=3 cm. The breadth of rectangular plate is B=6 cm. The d...
Q: When a charge moves parallel or antiparallel to the direction of the magnetic field, it experiences ...
A: B
Q: EX2 : Find Divergence and Curl of the field function j = In (x? + y?)i - ( tan" j+(5z + e cos z)k
A: The divergence of the vector function A is given by Where The curl of the vector function A is g...
Q: A block of mass m1 hangs from an ideal rope attached to a block of mass m2 which sits on an incline ...
A:
Q: equivalent overall resistance is smaller than the smallest parallel resistor. a) True b) False
A: A
Q: kWh = ___________ a) 3.6 × 106 J b) 3.6 × 105 J c) 0.36 × 106 J d) 0.36 × 105 J
A: A
Q: The equation of balanced Wheatstone bridge is PR = QS. a) True b) False
A: B
Q: Consider the circuit shown in the figure. (Assume that c, - 3 pf, C2 - 4 pf, C, - 5 uf, and c, - 7 u...
A: The equivalent capacitance in series combination is given by The equivalent capacitance in parall...
Q: n’ cells have emf ‘e’ and internal resistance ‘r’ and connected to an external resistance ‘R’. They ...
A: A
Q: a certain arrangement, a proton does not get deflected while moving through a magnetic field region....
A: A
Q: Give the SI unit of magnetic pole strength. a) Tm b) Am2 c) Am d) Tm2
A: C
Q: Using coulomb’s law what is the force between an electron and a proton; separated by a distance of 5...
A: F = kq1q2/r F = 9 × 109 × (1.60217662 × 10-19)2 / 5.29 × 10-11 F = 0.0000000043672 N
Q: The magnetic field due to a current element is minimum in a plane passing through the element when i...
A: B
Q: Calculate the time taken by the Earth to fall from the orbit onto the Sun if its instantaneous radia...
A: We know that , Mass of sun MS=1.989×1030 kg Distance between sun and Earth d=1.496×1011 m Gravitatio...
Q: Find the resistance value of the carbon resistor if the colors of bands are green, violet, and red r...
A: C
Q: What is the potential at a point 50 cm from a 20μC point charge?
A: Electric potential Vq = kq/r Vq = ( 9 × 10⁹ × 20 × 10-6 ) / ( 50 × 10-2 ) Vq = 360,000 Volts Vq = 36...
Q: In a potentiometer of 5 wires, the balance point is obtained on the 2nd wire. To shift the balance p...
A: A
Give the principle and application behind neutron log ?
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