SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

A solid metal cube of edge length 2 cm is moving in a positive y direction at a constant speed of 6m/s. there is a uniform magnetic field of 0.1 T in the positive z-direction. The potential difference between the two faces of the cube perpendicular to the x-axis, is:

(a)

6 mV

(b)

1 mV

(c)

12 mV

(d)

2 mV


Question ID - 50221 :-

A solid metal cube of edge length 2 cm is moving in a positive y direction at a constant speed of 6m/s. there is a uniform magnetic field of 0.1 T in the positive z-direction. The potential difference between the two faces of the cube perpendicular to the x-axis, is:

(a)

6 mV

(b)

1 mV

(c)

12 mV

(d)

2 mV

1 Answer
5876 Votes
3537

Answer Key : (c) -

Potential difference between two faces perpendicular to x-axis will be

.( × )=12mV



Next Question :

A parallel plate capacitor is of area 6  and a separation 3mm. The gap is filled with three dielectric materials of equal thickness (see figure) with dielectric constants =10, =12 and =14. The dielectric constant of a material which when fully inserted in above capacitor, gives same capacitance would be :

(a)

12

(b)

4

(c)

36

(d)

14


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