Question
Calculate the current drawn from the battery in the given network.
✓
Answer
$\text{R}_{\text{equivalent}} = 2\Omega$
$\text{I} = \frac{\text{V}}{\text{R}} = 2\it\text{A}.$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Draw a plot of potential energy of a pair of nucleons as a function of their separation. Write two important conclusions which you can draw regarding the nature of nuclear forces.
You are facing a circular wire carrying an electric current. The current is clockwise as seen by you. Is the field at the centre coming towards you or going away from you?
Find the value of capacitance between points P and N of the connection shown in the figure when (a) switch S is open, (b) switch S is closed. Here $C =1 \mu F$ and $C _2=2 \mu F$.
→Two resistances are connected in parralel in the ratio of 3: 4. Compare the results of the heat generated in them.
Define wavefront of a travelling wave. Using Huygens principle, obtain the law of refraction at a plane interface when light passes from a denser to rarer medium.
Explain the rules for obtaining image due to reflection from a spherical mirror.
Estimate the distance for which ray optics is good approximation for an aperture of $4 \ mm$ and wavelength $400 \ nm.$
→The electric current existing in a discharge tube is $2.0\mu\text{A}.$ How much charge is transferred across a cross-section of the tube in 5 minutes?
→A soap film of thickness 0.0011mm appears dark when seen by the reflected light of wavelength 580nm. What is the index of refraction of the soap solution, if it is known to be between 1.2 and 1.5?
Answer the following question:
In viewing through a magnifying glass, one usually positions one’s eyes very close to the lens. Does angular magnification change if the eye is moved back?
In viewing through a magnifying glass, one usually positions one’s eyes very close to the lens. Does angular magnification change if the eye is moved back?