Physics-
General
Easy
Question
The current 'i' in an inductance coil varies with time 't' according to following graph
Which one of the following figures shows the variations of voltage in the coil
The correct answer is:
Related Questions to study
physics-
Figure shows a typical circuit for low-pass filter. An AC input 
=10mV is applied at the left end and the output 
is received at the right end. Find the output voltage for v=10kHz,100kHz,
Figure shows a typical circuit for low-pass filter. An AC input =10mV is applied at the left end and the output is received at the right end. Find the output voltage for v=10kHz,100kHz,
physics-General
physics-
When an Ac source of emf 
is connected across a circuit, the phase difference between the emf E and the current I in the circuit is observed to be 
, as shown in the fig. If the circuit consists only of R-C (or) R-L (or) L-C series. Possible values of the elements of the circuit are
When an Ac source of emf is connected across a circuit, the phase difference between the emf E and the current I in the circuit is observed to be , as shown in the fig. If the circuit consists only of R-C (or) R-L (or) L-C series. Possible values of the elements of the circuit are
physics-General
physics-
The following series L-C-R circuit, when driven by an e.m.f. source of angular frequency 70 kilo - radians per second, the circuit effectively behaves like
The following series L-C-R circuit, when driven by an e.m.f. source of angular frequency 70 kilo - radians per second, the circuit effectively behaves like
physics-General
chemistry-
The decreasing order of bond length of 
in the following compounds is:
The decreasing order of bond length of in the following compounds is:
chemistry-General
chemistry-
Which of the indicated H in the following is most acidic?
Which of the indicated H in the following is most acidic?
chemistry-General
chemistry-
Arrange the following alcohols in decreasing order of the ease of ionization under acidic conditions.
Arrange the following alcohols in decreasing order of the ease of ionization under acidic conditions.
chemistry-General
chemistry-
Which of the following 
-bonds participate in hyperconjugation?
Which of the following -bonds participate in hyperconjugation?
chemistry-General
chemistry-
Arrange the following in increasing order of their acidic strength.
Arrange the following in increasing order of their acidic strength.
chemistry-General
chemistry-
Arrange the following (w, x, y, z) in decreasing order of their boiling points.
Arrange the following (w, x, y, z) in decreasing order of their boiling points.
chemistry-General
chemistry-
Rank the hydrogen atoms (Ha, Hb, Hc) in the following molecule according to their acidic strength.
Rank the hydrogen atoms (Ha, Hb, Hc) in the following molecule according to their acidic strength.
chemistry-General
chemistry-
Which of the following acids would have a STRONGER CONJUGATE BASE?
A) 
vs 
B) 
C) 
Which of the following acids would have a STRONGER CONJUGATE BASE?
A) vs
B)
C)
chemistry-General
chemistry-
Rank the following in decreasing order of their acidic strengths:
Rank the following in decreasing order of their acidic strengths:
chemistry-General
chemistry-
In the given pair identify most acidic compound in (a) and (b) Most basic is (c) & (d)
In the given pair identify most acidic compound in (a) and (b) Most basic is (c) & (d)
chemistry-General
maths-
If A and B are any two square matrices of the same order, then
If A and B are any two square matrices of the same order, then
maths-General
chemistry-
The mechanism of the reaction between tert-butyl alcohol and hydroxide ion involves the following two steps.
Step 
Step 
Which of the following statements hold good for this mechanism?
The mechanism of the reaction between tert-butyl alcohol and hydroxide ion involves the following two steps.
Step
Step Which of the following statements hold good for this mechanism?
chemistry-General
