Physics question and answers for December 11, 2023
- Q a State Biot Savart s law and express this law in the vector form b Two identical circular coils P and Q each of radius R carrying currents 1A and...
- Q A straight thick long wire of uniform cross section of radius a is carrying a steady current I The current is uniformly distributed across the cross section Use Ampere s...
- Q losed circuit consists of a source of constant emf of 10 V connected to a resistor of resistance 10 Q and inductor of inductance 0 1 H At tim the...
- Q xample 2 Figure shows a long straight wire carrying current I and a square conducting wire loop of side 1 at a distance a from current wire Both the current...
- Q The current in a coil of self inductance 4 H is changing according to the law sint Find out the amount of TC magnetic energy in J stored in the...
- Q Q 29 figure A conductor lies along the Z axis at 1 5 1 5 m and carries a fixed current of 10 0 A in a direction see for...
- Q When a conductor is rotated in perpendicular magnetic field then its free electrons initially 1 Move along field direction 2 Move at right angles to field direction 3 Remain stationary...
- Q 1 3 A rod of mass m and length is in contact vertical rails connected with resistance R on other end a horizontal magnetic field B perpendicular to the rod...
- Q 37 A coil of single turn is wrapped around a sphere of radius r and mass m The plane of the coil is parallel to the inclined plane and lies...
- Q Consider the mass spectrometer as shown in figure The electric field between plates is EV m and the magnetic field in both the velocity selector and in the deflection chamber...
- Q e AB of mass m and length is placed over two smooth conducting rails P and Q If the switch shown as closed at t 0 find the velocity of...
- Q As shown in the figure a rectangular loop of a conducting wire is moving away with a constant velocity v in a perpendicular direction from a very long straight conductor...
- Q The conductor AD moves to the right in a magnetic field directed into the paper Then D X X XOX B X X X X X ONO the free electrons...
- Q A wire ABCDEF is bent in the form as shown in figure The wire carries a current I and is placed in a uniform magnetic field of induction B parallel...
- Q metal rod of length 1 moving with an angular velocity w and velocity of its centre is v Find potential different between points A and B at the hown in...
- Q Two cables of copper are of equal lengths One of them has a single wire of area of cross section A while other has 10 wires of cross sectional area...
- Q Two very long straight parallel wires carry steady currents I and 1 The distance between the wires d At a certain instant of time a point charge q is at...
- Q and B through which a ring having charge 9 passes through without touching the shell The flux through spherical shell is Find the 380 radius of the ring a R...
- Q The direction of force on the charge q moving in uniform magnetic field as shown in following figure is towards X X X X 9 v X X X X...
- Q A long wire carrying a steady current is bent into circular loop of one turn The magnetic field at the centr of the loop is B It is then bent...
- Q Only circular part of the wire shown in the figure has resistance per unit length The radii of the circles are r and R and ZPOQ a in radian potential...
- Q An infinite V shaped wire carrying current I is shown in the adjacent figure Find the magnitude of magnetic field at point P due to the wire if AP r...
- Q The peak value of an alternating e m f E E sin oot is 10 volt and its frequency is 50 Hz At a time t the e m f...
- Q Figure shows a long straight wire carrying current I and a square conducting wire loop of side 1 at a distance a from current wire Both the current wire and...
- Q 40 An ionized gas contains both positive and negative ions If it is subjected simultane ously to an electric field along the x direction and a magnetic field along the...
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