1
NEET 2017
+4
-1
Figure shows a circuit that contains three identical resistors with resistance R = 9.0 $$\Omega$$ each, two identical inductors with inductance $$L$$ = 2.0 mH each, and an ideal battery with emf $$\varepsilon = 18V$$. The current $$i$$ through the battery just after the switch closed is

A
0.2 A
B
4 A
C
0 ampere
D
2 mA
2
NEET 2016 Phase 2
+4
-1
Which of the following combinations should be selected for better tuning of an L-C-R circuit used for combination ?
A
R = 20 $$\Omega$$, L = 1.5 H, C = 35 $$\mu$$F
B
R = 25 $$\Omega$$, L = 2.5 H, C = 45 $$\mu$$F
C
R = 15 $$\Omega$$, L = 3.5 H, C = 30 $$\mu$$F
D
R = 25 $$\Omega$$, L = 1.5 H, C = 45 $$\mu$$F
3
NEET 2016 Phase 2
+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
4
NEET 2016 Phase 2
+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$$\sqrt 2 A$$
EXAM MAP
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