1
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Hot concentrated sulphate acid is a moderately strong oxidizing agent. Which of the following reactions does not show oxidizing behaviour?
A
Cu + 2H2SO4 $$ \to $$ CuSO4 + SO2 + 2H2O
B
S + 2H2SO4 $$ \to $$ 3SO2 + 2H2O
C
C + 2H2SO4 $$ \to $$ CO2 + 2SO2 + 2H2O
D
CaF2 + H2SO4 $$ \to $$ CaSO4 + 2HF
2
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
A long wire carrying a steady current is bent into a circular loop of one turn. The magnetic field at the centre of the loop is B. It is then bent into a circular coil of n turns. The magnetic field at the centre of this coil of n turns will be
A
nB
B
n2B
C
2nB
D
2n2B
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
An electron is moving in a circular path under the influence of a transverse magnetic field of 3.57 $$ \times $$ 10-2 T. If the value of e/m is 1.76 $$ \times $$ 1011 C kg$$-$$1, the frequency of revoluation of the electron is
A
1 GHz
B
100 MHz
C
62.8 MHz
D
6.28 MHz