Related Questions

According to Fleming's right-hand rule for finding the direction of induced e.m.f., when middle finger points in the direction of induced e.m.f., forefinger will point in the direction of
A Motion of conductor
B Lines of force
C Either of the above
D None of the above
Flemings "Left hand Rule" is associated with the effect of
A electric field on current
B magnetic field on magnet
C electric field on magnet
D magnetic field on current
The left hand rule correlates to
A current, induced e.m.f. and direction of force on a conductor
B magnetic field, electric field and direction of force on a conductor
C self induction, mutual induction and direction of force on a conductor
D current, magnetic field and direction of force on a conductor
The index which correlates the combined effects of air temperature, relative humidity and air velocity on the human body, is known as
A Mean radiant temperature
B Effective temperature
C Dew point temperature
D None of these
While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards
A Direction of induced e.m.f.
B Direction of flux
C Direction of motion of the conductor if forefinger points in the direction of generated e.m.f.
D Direction of motion of conductor, if forefinger points along the lines of flux
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)
A $$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$
B $$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$
C $$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$
D $$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$
'Stress-induced amnesia strikes the patient apparently without warning and the memory loss can be as complete as is induced by physical trauma.' which correction should be made to this sentence?
A replace 'strikes' with 'contracts'
B replace 'is' with 'that'
C remove 'apparently'
D change 'by' to 'in'
The stress induced in a body, when suddenly loaded, is _________ the stress induced when the same load is applied gradually.
A Equal to
B One-half
C Twice
D Four times
The polarity of the induced voltage can be determined by using the left-hand generator rule.
A Yes
B No
The direction of induced e.m.f. can be found by
A Laplace's law
B Lenz's law
C Fleming's right hand rule
D Kirchhoff s voltage law

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