1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
In photoelectric emission process from a metal of work function 1.8 eV, the kinetic energy of most energetic electrons is 0.5 eV. The corresponding stopping potential is
A
1.8 V
B
1.3 V
C
0.5 V
D
2.3 V
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
If power dissipated in the 9 $$\Omega $$ resistor in the circuit shown is 36 watt, the potential difference across the 2 $$\Omega $$ resistor is

AIPMT 2011 Prelims Physics - Current Electricity Question 88 English
A
4 volt
B
8 volt
C
10 volt
D
2 volt
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
An ac voltage is applied to a resistance R and an inductor L in series. If R and the inductive reactance are both equal to 3 $$\Omega $$, the phase difference between the applied voltage and the current in the circuit is
A
$$\pi /6$$
B
$$\pi /4$$
C
$$\pi /2$$
D
zero
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
In the ac circuit an alternating voltage e = $$200\sqrt 2 $$sin100t volts is connected to a capacitor of capacity 1 $$\mu $$F. The r.m.s. value of the current in the circuit is
A
10 mA
B
100 mA
C
200 mA
D
20 mA