Download App

Current Electricity — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsCurrent Electricity1 Mark
MCQ
In the shown circuit, what is the potential difference across $A$ and $B$
  • A
    $50 V$
  • B
    $45 V$
  • C
    $30 V$
  • ✓
    $20 V$
✓

Answer

Correct option: D.
$20 V$
$20 V$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Current Electricity→Current Electricity — all question types→Physics STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Kirchoff's first law, i.e., $\sum\text{i}=0$ at a junction, deals with the conservation of:
→
A hot electric iron has a resistance of 80 Ω and is used on a 200 V source. The electrical energy spent, if it is used for two hours, will be(a) 8000 Wh(b) 2000 Wh(c) 1000 Wh(d) 800 Wh
       
→
Biological importance of Ozone layer is
→
In an A.C. circuit the voltage is V, and current is I, then power loss will be :
→
The direction of electric field is from:
→
Ionic molecules are:
→
In Young's double slit experiment, the distance between sources is 1 mm and distance between the screen and source is 1 m. If the fringe width on the screen is 0.06 cm, then λ =    (a) 6000 Å(b) 4000 Å(c) 1200 Å(d) 2400 Å
       
→
The heavier nuclei tend to have larger $\frac{\text{N}}{\text{Z}}$ ratio because:
  1. A neutron is heavier than a proton.
  2. A neutron is an unstable particle.
  3. A neutron does not exert electric repulsion.
  4. Coulomb forces have longer range compared to the nuclear forces.
→
The binding energy of nucleus is a measure of its(a) Charge(b) Mass(c) Momentum(d) Stability
       
→
Let $F_{pp'} F_{pn}$ and $F_{nn}$ fill denote the magnitudes of the nuclear force by a proton on a proton, by a proton on a neutron and by a neutron on a neutron respectively. When the separation is $1$ fm:
→