1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is
A
0.4
B
0.5
C
0.8
D
1.0
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
A 100 $$\Omega $$ resistance and a capacitor of 100 $$\Omega $$ reactance are connected in series across a 220 V source. When the capacitor is 50% charged, the peak value of the displacement current is
A
2.2 A
B
11 A
C
4.4 A
D
11$$\sqrt 2 A$$
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Two identical glass ($$\mu $$g = 3/2) equiconvex lenses of focal length $$f$$ each are kept in contact. The space between the two lenses is filled with water $$\left( {{\mu _w} = 4/3} \right)$$. The focal length of the combination is
A
$$f/3$$
B
$$f$$
C
$$4f/3$$
D
$$3f/4$$
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
The interference pattern is obtained with two coherent light sources of intensity ratio n. In the interference pattern, the ratio $${{{I_{max}} - {I_{\min }}} \over {{I_{max}} + {I_{min}}}}$$ will be
A
$${{\sqrt n } \over {n + 1}}$$
B
$${{2\sqrt n } \over {n + 1}}$$
C
$${{\sqrt n } \over {{{\left( {n + 1} \right)}^2}}}$$
D
$${{2\sqrt n } \over {{{\left( {n + 1} \right)}^2}}}$$
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