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If current is = 3A sin wt and i2 = 4A cos wt , then i3 is [ NEET question ]

0:07:47

Q12 A convex object is kept 60 cm in front of a spherical convex surface ( n = 1.5 , radius of curva

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A closed circular conducting loop is moving inside a uniform magnetic field as shown in the figure.

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Q5 The mutual inductance of two coils , in a given orientation is 50 mH. If the current in one of t

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Q4 A galvanometer of resistance 100 ohm gives full scale deflection for a current of 1 mA . It is co

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Q2 Two insulated concentric coils, each of radius R, placed at right angles to each other, carry cu

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Q1 A heater coil rated as ( P, V ) is cut into two equal parts . One of the parts is then connected

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In the AC circuit, the current is expressed as i = 100 sin 200 pi t . In this circuit the current r

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The phase difference between current and voltage in an AC circuit is pi/4 radian . If the frequency

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Equation of alternating current is given by i = 10 root 2 sin ( 200 pi t + pi /6 ) . The time taken

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Q8 In a Young's double slit experiment in air, the fringe width is found to be 0.44 mm . If the cen

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Q5 A coil of area of cross section 0.5 m^2 is placed in a magnetic field acting normally to its plan

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The average value of current for the current shown for time period 0 to T/2 is ( NEET Question )

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The voltage of domestic ac is 220 V . What does this represent ? NEET Physics question solution

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The equation of an alternating voltage is V = 100 root 2 sin ( 100 pi t ) V . The rms value of volta

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Q3 An iron needle is kept near a strong bar magnet . It will experience ( Set 2 code 55/5/2 CBSE 24

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Q4 A galvanometer shows full scale deflection for a current Ig . If a shunt of resistance s1 , is co

0:11:34

Q2 An ac voltage is applied across an ideal inductor. The current in it [ set 2 code 550/5/2 Cbse

0:14:48

Q1 An ammeter and voltmeter are connected in series to a battery. Their reading are noted as A and

0:08:56

Q12 A pure Si crystal having 5 × 10 ^28 atoms /m^3 is dopped with 1 ppm concentration of antimony.

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Q10 A young's double slit experimental set up is kept in a medium of refractive index 4/3 . Which ma

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Q11 The potential energy between two necleon's inside a nucleus is minimum at a distance of about

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Q30 A spherical air bubble is embedded in a piece of glass. For a ray of light passing through the

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Q30 A convex lens of 20 cm focal length forms a real image which is three times magnified . The dist