Last Updated On 01-06-2023 - By Jeesha 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
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
|
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 |
Potential difference between two faces perpendicular to x-axis will be
.(
×
)=12mV
Next Question :
|
A parallel plate capacitor is of area 6
|
|||
|
(a) |
12 |
(b) |
4 |
|
(c) |
36 |
(d) |
14 |
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 :
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