Description : A current of `2 A` flows in a system of conductor as shown. The potential difference `(V_(A) - V_(B))`
Last Answer : A current of `2 A` flows in a system of conductor as shown. The potential difference `(V_(A) - V_(B))` A. `+1V` B. `-1V` C. `+2V` D. `-2V`
Description : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B)` between the point `A` and `B` is
Last Answer : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B) ... -2V` B. 2V C. 5V D. `(20)/(11)V`
Description : Six resistance are connected as shown in figure. If total current flowing is `0.5A`, then the potrential difference `V_(A)-V_(B)` is
Last Answer : Six resistance are connected as shown in figure. If total current flowing is `0.5A`, then the potrential difference `V_(A) ... V B. 6 V C. 2 V D. 4 V
Description : Assertion : Current versus potential difference (i-V) graph for a conductor at two different temperatures `T_(1)` and `T_(2)` is shown in figure. Henc
Last Answer : Assertion : Current versus potential difference (i-V) graph for a conductor at two different ... If Assertion is false but Reason is true.
Description : Find the potential difference between points A and B `(V_(B)-V_(A))` in the network
Last Answer : Find the potential difference between points A and B `(V_(B)-V_(A))` in the network
Description : The potential difference `(V_(A) - V_(B))` between the point `A` and `B` in the given figure is
Last Answer : The potential difference `(V_(A) - V_(B))` between the point `A` and `B` in the given figure is A. `-3 V` B. `+3 V` C. `+6 V` D. `+9 V`
Description : In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and `R = 100 Omega`, the galvanometer `(G
Last Answer : In the circuit shown the cells `A` and `B` have negligible resistance. For `V_(A) = 12 V, R_(1) = 500 Omega` and ` ... A. 4 V B. 2 V C. 12 V D. 6 V
Description : In the part of circuit shown in figure, match the following two columns for `V_(AB)`
Last Answer : In the part of circuit shown in figure, match the following two columns for `V_(AB)`
Description : In the figure `V_(ab)` versus time graph along an inductor is shown. Match the following
Last Answer : In the figure `V_(ab)` versus time graph along an inductor is shown. Match the following
Description : In the circuit shown in figure q varies with time t as `q=(t^(2)=16)`. Here q is in coulomb and t in second. Find `V_(ab) "at" t=5s`
Last Answer : In the circuit shown in figure q varies with time t as `q=(t^(2)=16)`. Here q is in coulomb and t in second. ... 50 V B. 35.5 V C. 46.5 V D. 40.2 V
Description : In the circuit shown in figure q varies with time t as `q=(t^(2)=16)`. Here q is in coulomb and t in second. Find `V_(ab)=(V_(a)-V_(b)) at t=3s`
Last Answer : In the circuit shown in figure q varies with time t as `q=(t^(2)=16)`. Here q is in coulomb and t in second. ... `18.5 V` C. `-25.5 V` D. `22.5 V`
Description : When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- 1)` volt, the resistance of the wire is
Last Answer : When a current of `(2.5 +- 0.5)` ampere flows through a wire, it develops a potential difference of `(20 +- ... `(8 pm 1.5)Omega` D. `(8 pm 3)Omega`
Description : Assertion : If a current flows through a wire of non-uniform cross-section, potential difference per unit length of wire is same throughout the length
Last Answer : Assertion : If a current flows through a wire of non-uniform cross-section, potential difference per ... . If Assertion is false but Reason is true.
Description : A current of 0.2A flows through a component with a resistance of 40 ohms. Calculate the potential difference.?
Last Answer : 8
Description : A current `i` ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor fo the cable, then the magnetic inductio
Last Answer : A current `i` ampere flows along the inner conductor of a coaxial cable and returns along the outer conductor fo the ... D. `(mu_(0))/(2pi)(2pii)/(r)`
Description : A current flows in a conductor from east to west. The direction of the magnetic field at a points above the conductor is
Last Answer : A current flows in a conductor from east to west. The direction of the magnetic field at a points ... . towards south C. towards east D. towards west
Description : Two infinitely long parallel conductors in vacuum any separated 1 metre between centers >then a current of 1 ampere flows the. uk each conductor, produce on each other a force of (a) 2 x 1(T2 N/m) (b) 2 x KT3 N/m (c) 2 x 10"5 N/m (d) 2x 1(T7 N/m)
Last Answer : (d) 2x 1(T7 N/m)
Description : A current of 5.8 A flows through a 0.25 m long straight conductor which is kept perpendicular in a region of uniform magnetic field of 3.7 T . The force on conductor is a) 5.4 N b) 2.4 N c) 3.4 N d) 6.4 N
Last Answer : a) 5.4 N
Description : If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be a. 3600C b. 7200C c. 1C d. 2C
Last Answer : a. 3600C
Description : Owing to skin effect (a) current flows through the half cross-section of the conductor (b) portion of the conductor near the surface carries more current and core of the conductor carries less current (c) ... core of the conductor carries more cur¬rent (d) any of the above (e) none of the above
Last Answer : (b) portion of the conductor near the surface carries more current and core of the conductor carries less current
Description : A conductor of diameter d, length 1 consumes a power of W when a current I flows through it. What will be the power consumed if d is doubled, 1 is halved and current is tripled ?
Last Answer : A conductor of diameter d, length 1 consumes a power of W when a current I flows through it. What will be the power consumed if d is doubled, 1 is halved and current is tripled ? 72 W
Description : A current l flows through a closed loop as shown in figure .The magnetic field at the centre O is
Last Answer : A current l flows through a closed loop as shown in figure .The magnetic field at the centre O is A. ... )l)/(2piR)(theta+sintheta)` D. None of these
Description : A thick wire of radius `r=5 mm` carries a steady current `I=10 A`. An electron leaves its surface perpendicularly with velocity `v_(0)=10^(6) m//s`. F
Last Answer : A thick wire of radius `r=5 mm` carries a steady current `I=10 A`. An electron leaves its ... from the surface of the wire before it turns back.
Description : The slope of the graph showing the variation of potential difference V on X-axis and current Y-axis gives conductor
Last Answer : The slope of the graph showing the variation of potential difference V on X-axis and ... resistivity C. reciprocal of resistance D. conductivity
Description : The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as: (1) Avogadro's law (2) Rault's law (3) Ohms law (4) Faraday's law
Last Answer : (3) Ohms law Explanation: According to Ohm's Law, the potential difference (V) between two terminals of a current-carrying conductor is directly proportional to the current (I), flowing through it. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here
Description : The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as: (1) Avogadro’s law (2) Rault’s law (3) Ohms law (4) Faraday’s law
Last Answer : Ohms law
Description : Assertion : Current between two points in an electrical always flows from higher potential to lower potential. Reason : During charging of a battery c
Last Answer : Assertion : Current between two points in an electrical always flows from higher potential to lower ... . If both Assertion and Reason are false.
Description : According to electron theory, an electric current flows from what potential to what potential?
Last Answer : Electron theory assumes that electron flow is from negative to positive.
Description : In the system shown in the illustration, the station at section I is unable to signal any other station nor is any other station able to signal the station in section I. The station can, however, ring ... only a single station to respond to itself. D. The switch at component 'C' is stuck open.
Last Answer : Answer: B
Description : When the potential difference of 4 volt is applied across resistance, 10J energy is converted. Find the charge flows. a. 0.20 C b. 2.5C c. 5C d. 10C
Last Answer : b. 2.5C
Description : The potential difference across a `2 H` inductor as a function of time is shown in figure. At time `t=0`, current is zero Current `t = 2` second is
Last Answer : The potential difference across a `2 H` inductor as a function of time is shown in figure. At time `t=0`, current is ... B. `3 A` C. `4 A` D. `5 A`
Description : An infinitely long conductor is bent into a circle as shown in figure. It carries a current I ampere and the radius of loop is R metre. The magnetic i
Last Answer : An infinitely long conductor is bent into a circle as shown in figure. It carries a current I ampere and the radius ... (0)I)/(8piR)(pi + 1)` D. zero
Description : Income tax paid should be shown separately as the cash flows from----------- activities. a) Financing b) Investing c) Operating d) Others
Last Answer : c) Operating
Description : 1. Which what is nucessary for digestion of food ? 2. Why are the Fundamental Freedoms under Article 19 suspended during emergency? 3. Which type of isomerism is shown by diethyl ether and methyl ... largest number of sugar mills? 20. Where is the Shrine of Hazarat Nizamuddin Auliya is situated?
Last Answer : Answer : 1. Enzyme 2. War or external aggression 3. Metamerism 4. Narmada 5. Assaka 6. George Orwell 7. Debtors 8. Potassium 9. Myanmar 10. Nanda 11. Limited government 12. Conservation of ... Fourth 15. Khari Boli 16. Muttiah Muralitharan 17. Omnivore 18. President 19. Uttar Pradesh 20. Delhi
Description : A circuit is connected as shown in the figure with the switch S open. When the switch is closed, the total amount of charge that flows from Y to X is
Last Answer : C
Description : Two water tanks A and B of equal square base of sides 3 feet are shown below. Water flows from tank A to tank B through a tube. What will be the volume (in cubic feet) of water in Tank A when the water stops flowing?
Last Answer : 13.5
Description : The string in fig. is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant and qual to `v_(A)` towards
Last Answer : The string in fig. is passing over small smooth pulley rigidly attached to trolley A. If the speed of trolley is constant ... =0` D. `V_(B)=4/5 V_(A)`
Description : For a reversible process at T = 300K, the volume is increased from `V_(i)=1L` to `V_(f)=10L`. Calculate `Delta H` if the process is isothermal -
Last Answer : For a reversible process at T = 300K, the volume is increased from `V_(i)=1L` to `V_(f)=10L`. Calculate `Delta H ... kJ B. 4.98 kJ C. 0 D. `-11.47 kJ`
Description : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its
Last Answer : In the reaction `VO+Fe_(2)O_(3) rarr FeO+V_(2)O_(5)`, the eq.wt. of `V_(2)O_(5)` is equal to its A. ... wt. B. Mol.wt./8 C. Mol.wt./6 D. None of these
Description : An adsorption isotherm equation proposed by Langmuir is of the form `V = (V_(0)bPO)/((1 + bP))` where V is the volume of gas adsorbed at pressure P. F
Last Answer : An adsorption isotherm equation proposed by Langmuir is of the form `V = (V_(0)bPO)/((1 + bP))` where V is ... of V on P can be depicted as B. C. D.
Description : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`
Last Answer : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_ ... V_(2)` D. `M_(1)V_(1)=M_(2)V_(2)`
Description : If `10g` of `V_(2)O_(5)` is dissolved in acid and is reduced to `V^(2+)` by zinc metal, how many mole `I_(2)` could be reduced by the resulting soluti
Last Answer : If `10g` of `V_(2)O_(5)` is dissolved in acid and is reduced to `V^(2+)` by zinc metal, how many mole `I_(2 ... 127`) A. 0.11 B. 0.22 C. 0.055 D. 0.44
Description : `Mn_(2)O_(7), CrO_(3),V_(2)O_(5)` are ____ oxides
Last Answer : `Mn_(2)O_(7), CrO_(3),V_(2)O_(5)` are ____ oxides A. Basic B. Acidic C. Neutral D. Amphoteric
Description : A charged particle enters into a uniform magnetic field with velocity `v_(0)` perpendicular to it , the length of magnetic field is `x=sqrt(3)/(2)R`,
Last Answer : A charged particle enters into a uniform magnetic field with velocity `v_(0)` perpendicular to it , the length of ... 3)v_(0))/(2)` D. `v_(0)`
Description : Assertion In a uniform magnetic field `B=B_(0)hat(k)`, if velocity of a charged particle is `v_(0)hat(i)` at t = 0, then it can have the velocity `v_(
Last Answer : Assertion In a uniform magnetic field `B=B_(0)hat(k)`, if velocity of a charged particle is `v_( ... . D. If Assertion is false but Reason is true.
Description : A charge q is moving with a velocity `v_(1)=1hati` m/s at a point in a magentic field and experiences a force `F=q[-hatj+1hatk]` N. If the charge is m
Last Answer : A charge q is moving with a velocity `v_(1)=1hati` m/s at a point in a magentic field and experiences a force `F ... `(hat(i)+hat(j)-hat(k))Wb//m^(2)`
Description : A particle of mass m and having a positive charge q is projected from origin with speed `v_(0)` along the positive X-axis in a magnetic field B = `-B_
Last Answer : A particle of mass m and having a positive charge q is projected from origin with speed `v_(0)` along the positive ... /(qB)` D. `(2mv_(0))/(qB_(0))`
Description : If `V_(A)-V_(B)=V_(0)` and the value of each resistance is R, then I. net resistance between AB is `(R)/(2)` II. Net resistance between AB is `(3R)/(5
Last Answer : If `V_(A)-V_(B)=V_(0)` and the value of each resistance is R, then I. net resistance between AB is `(R ... II B. I and III C. Only I D. All of these
Description : In an L-C -R search circuit connected to an AC source `V=V_(0)sin(100pi+(pi)/(6))``V_(R)=40V, V_(L)=40 and V_(C )=10V`, resistance `R=4Omega` Choose t
Last Answer : In an L-C -R search circuit connected to an AC source `V=V_(0)sin(100pi+(pi)/(6))``V_(R)=40V, V_ ... (a) and (b) are correct D. Both a and b are wrong
Description : In an L-C -R series circuit connected to an AC source `V=V_(0)sin(100pi(t)+(pi)/(6))``V_(R)=40V, V_(L)=40 and V_(C )=10V`, resistance `R=4Omega` Choos
Last Answer : In an L-C -R series circuit connected to an AC source `V=V_(0)sin(100pi(t)+(pi)/(6))``V_(R)=40V, V_(L) ... (2) A` C. `20sqrt(2) A` D. `25sqrt(2) A`