Description : In the circuit shown in figure switch S is closed at time t=0 At what time current through `3Omega` resistance and 1H inductor are equal?
Last Answer : In the circuit shown in figure switch S is closed at time t=0 At what time current through `3Omega` resistance and ... 5)/(3))` D. `Insqrt((8)/(3))`
Description : In the circuit diagram shown in Figure E=18V , L=2H, `R_(1)=3Omega , R_(2)=6Omega`. Switch S is closed at t=0 Match the following:
Last Answer : In the circuit diagram shown in Figure E=18V , L=2H, `R_(1)=3Omega , R_(2)=6Omega`. Switch S is closed at t=0 Match the following:
Description : In the circuit diagram shown in figure, potential difference across `3Omega` resistance is 20 V. Then, match the following two columns.
Last Answer : In the circuit diagram shown in figure, potential difference across `3Omega` resistance is 20 V. Then, match the following two columns.
Description : In the circuit shown in figure switch S is closed at time t=0 Current I from the battery at time t is given by
Last Answer : In the circuit shown in figure switch S is closed at time t=0 Current I from the battery at time t is given by A. ` ... 3(1-e^(-t//9)) D. `3-e^(-2t)`
Description : In the circuit shown in figure switch S is closed at time t=0 Takin left to right current through the indcutor as apositive current, current through i
Last Answer : In the circuit shown in figure switch S is closed at time t=0 Takin left to right current through the ... inductor varies with time as A. B. C. D.
Description : In the circuit shown in the figure, the capacitor C is charged to a potential Vo. The heat generated in the circuit when the switch S is closed, is
Last Answer : In the circuit shown in the figure, the capacitor C is charged to a potential Vo. The heat generated in the circuit when ... )^(2)` D. `8 CV _(0)^(2)`
Description : The potential difference in volt across the resistance `R_(3)` in the circuit shown in figure, is `(R_(1)=15Omega,R_(2)=15Omega, R_(3)=30Omega, R_(4)=
Last Answer : The potential difference in volt across the resistance `R_(3)` in the circuit shown in figure, is `(R_(1)=15Omega,R_(2 ... 5 B. `7.5` C. 15 D. `12.5`
Description : In the circuit shown, the current in `3Omega` resistance is
Last Answer : In the circuit shown, the current in `3Omega` resistance is A. `1A` B. `(1)/(7)A` C. `(5)/(7)A` D. `(15)/(7)A`
Description : In the figure shown `C_(1)=1F, C_(2)=2F and L=5H`. Initially `C_(1)` is charged 50V and `C_(2)` to 10V. Switch S is closed at time t=D. Suppose at som
Last Answer : In the figure shown `C_(1)=1F, C_(2)=2F and L=5H`. Initially `C_(1)` is charged 50V and `C_(2)` to 10V. ... will A. 10 J B. 15 J C. 25 J D. 40 J
Last Answer : In the figure shown `C_(1)=1F, C_(2)=2F and L=5H`. Initially `C_(1)` is charged 50V and `C_(2)` to 10V. ... (2) A` C. `20sqrt(3) A` D. `12sqrt(6) A`
Last Answer : In the figure shown `C_(1)=1F, C_(2)=2F and L=5H`. Initially `C_(1)` is charged 50V and `C_(2)` to 10V. ... ` B. `15sqrt(2) A` C. `10 A` D. `20 A`
Description : An uncharged capacity ER C=`100muF` with a resistor is connected with AC source as shown in the figure If R= is `50Omega` and switch S is closed at t=
Last Answer : An uncharged capacity ER C=`100muF` with a resistor is connected with AC source as shown in the figure If R ... `(v_(A)-V_9B)` is k volt. Calculate K
Description : In the circuit diagram shown in figure match the following two columns when switch S is closed.
Last Answer : In the circuit diagram shown in figure match the following two columns when switch S is closed.
Description : As the switch `S` is closed in the circuit shown in figure, current passed through it is.
Last Answer : As the switch `S` is closed in the circuit shown in figure, current passed through it is. A. `4.5A` B. `6.0A` C. `3.0A` D. zero
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 : 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 : The illustrated circuit is a wheatstone bridge. If the meter 'G' reads 0 with the switch closed then ________. EL-0024 A. the current through R1 - R2 is equal to the current through R3 - Rx B. the voltage ... of E C. the resistance of Rx is equal to the resistance of R2 D. all the above are true
Last Answer : Answer: A
Description : In given LR circuit the switch S is closed at time `t=0` then
Last Answer : In given LR circuit the switch S is closed at time `t=0` then A. The ratio of induced emfs in ... potential difference `V_(A)-V_(B)` will be constant
Description : While performing an experiment to study the dependence of current on the potential difference across two ends of the resistor, a student keeps the circuit closed for a long time to measure the current and potential difference. State how the resistance of the resistor will be affected?
Last Answer : Answer. When the circuit is closed for a long time, the flow of current will be in excess which causes unwanted heating in the resistor and changes the value of resistance.
Description : In the circuit shown in Fig. 4.67, the resistance of the ammeter A is negligible and that of thevoltmeter V is very high. When the switch S is open, t
Last Answer : In the circuit shown in Fig. 4.67, the resistance of the ammeter A is negligible and that of ... internal resistance of the cell (iii) value of R.
Description : Assertion : In the circuit shown in figure, battery is ideal. If a resistance `R_(0)` is cannected in parallel with R, then power across R will increa
Last Answer : Assertion : In the circuit shown in figure, battery is ideal. If a resistance `R_(0)` is cannected ... . D. If Assertion is false but Reason is true.
Description : The potentiak difference across a 2H inductor as a function of time is shown in the figure. At time t=0, current is zero. Current versus time graph ac
Last Answer : The potentiak difference across a 2H inductor as a function of time is shown in the figure. At time t=0, ... across the inductor will be A. B. C. D.
Description : The switch in the circuit has been closed for a long time. It is opened at t = 0. At t = 0+, the current through the 1 micro farad capacitor is A) 0A B) 1A C) 1.25A D) 5A
Last Answer : The switch in the circuit has been closed for a long time. It is opened at t = 0. At t = 0+, the current through the 1 micro farad capacitor is 1A
Description : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is decreasing at a rate of `sqrt5 C//s` Choose the corr
Last Answer : In an L-C circuit shown in figure C=1F, L=4H At time t=0, charge in the capacitor is 4C and it is ... a and b are correct D. Both a and b are wrong
Description : In the circuit shown the cell is ideal. The codil has an inductance of 2H and will blow when the current through it reaches 5a. The switch is closed a
Last Answer : In the circuit shown the cell is ideal. The codil has an inductance of 2H and will blow when the ... Find the time (in second)n when fuse will blow.
Description : An open-circuit fault between the pressure switch and the 'annunciator module' shown in the illustration would cause the alarm circuit to react in the same manner as if ___________. EL-0094 A. 3.5 ... below switch setting C. 50 PSI were applied to the 'setpoint module' D. the pressure switch closed
Last Answer : Answer: B
Description : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the polarity as indicated. The ratio of potential difference acro
Last Answer : In the circuit shown the voltage drop across the `15Omega` resistor is `30 V` having the ... difference across `5Omega` and resistance `R` is
Description : Current in a circuit if resistance of 15 Ω and potential difference of 3.0 V is applied across it's ends is A. 1 A B. 2 A C. 0.5 A D. 0.20 A
Last Answer : 0.20 A
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 : For the circuit shown in figure given below, the equivalent resistance points A and B is
Last Answer : For the circuit shown in figure given below, the equivalent resistance points A and B is A. `10Omega` B. `5 Omega` C. `(10)/(3)Omega` D. `2Omega`
Description : As shown in the figure, 1 ohm resistance is connected across a source that has a load line v + i = 100. The current through the resistance is A) 25 A B) 50 A C) 100 A D) 200A
Last Answer : As shown in the figure, 1 ohm resistance is connected across a source that has a load line v + i = 100. The current through the resistance is 50 A
Description : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential drop across B and C measured by vol
Last Answer : Consider the diagram shown below. A Voltmeter of resistance `150 Omega` is connected across A and B. The potential ... 29 B. 27 V C. 31 V D. 30 V
Description : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and the ammeter present in the circu
Last Answer : A potentiometer circuit is setup as shown. The potential gradient across the potentiometer wire is `k "volt"//cm` and ... (2)` D. `kl_(1)"and"kl_(2)`
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 : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 Omega` resistance. Calculate what the same voltmeter read
Last Answer : In the circuit diagram shown in Fig. 4.53, a voltmeter reads 30 V when connected across `400 ... when it is connected across `300 Omega` resistance.
Description : What would be the voltage drop across the series resistor of the circuit shown in the illustration if the source is 30 volts, the resistance of R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms? EL-0032 A. 5 volts B. 10 volts C. 20 volts D. 30 volts
Last Answer : Answer: C
Description : What would be the voltage drop across the parallel branches of the circuit shown in the illustration if the source is 30 volts the resistance for R1 is 10 ohms, R2 is 10 ohms and R3 is 10 ohms? EL-0032 A. 5 volts B. 10 volts C. 20 volts D. 30 volts
Description : If E is the emf of a cell of internal resistance r and external resistance R, then potential difference across R is given as
Last Answer : If E is the emf of a cell of internal resistance r and external resistance R, then potential difference across R is given ... /R)` D. `V=E//(1+R//r)`
Description : In the circuit shown in figure, the resistance R has a value that depends on the current. Specifically R is 20 `Omega` when `i` is zero and the amount
Last Answer : In the circuit shown in figure, the resistance R has a value that depends on the current. Specifically R is 20 `Omega` ... A B. `10A` C. 20 A D. `5A`
Description : What effect does the internal resistance have on the rest of the circuit shown in figure 3-60?
Last Answer : Because of the 2-volt drop across the internal resistance, only 48 volts is available for the rest of the circuit.
Description : What is the total resistance of the circuit shown in figure 3- 60?
Last Answer : 25Ω
Description : What is the total resistance of the circuit shown in figure 3- 59? (Hint: Redraw the circuit to simplify and then use equivalent resistances to compute for RT.)
Last Answer : 4Ω
Description : Resistance between points A and B in the circuit shown in figure is a. 4 ohm b. 6ohm c. 10 ohm d. 8 ohm
Last Answer : c. 10 ohm
Description : How to find the potential difference across a battery in a series parallel circuit with resistors that have no value given?
Last Answer : The potential difference is obtthe difference of all voltage across a terminal. From the circuit above I think the resistors are in series and parallel to each other. The two resistors in line CB are ... place the multimeter in series with the circuit and you will get the resistance. But ise you
Description : In an experiment on studying the dependence of current flowing through a given resistor on the potential difference applied across it, list two ways how a student would change the values of current in the circuit?
Last Answer : Answer. There are two ways in which a student can change the values of current in the circuit: By increasing or decreasing the number of cells. By changing the value of resistance.
Description : As shown in the illustration, the symbol is used in electrical drawings to designate a ____________. EL-0026 A. limit switch with one set of normally open contacts B. maintaining type ... type push button with a mechanical interlock D. normally closed contact held open mechanically by an interlock
Description : When the master switch for the winch shown in the illustration is in the 'off' position, and the line & safe switches are closed, which of the listed relays should be energized? EL-0102 A. 'DB' & '2T' B. 'DB' & '4M' C. 'FR-B.O.' & 'LV' D. '1M' & '1A'
Description : When the operating handle is in the 'off' position, which master switch contacts for the winch shown in the illustration are closed? EL-0102 A. 'MS-DB & OL' B. 'MS-3, 5, 6, 7, & 8' C. 'MS-LVa & OL' D. 'MS-3, 7 & Reset'
Last Answer : Answer: D
Description : When 'selector switch' 'SEL8' shown in the illustration is in the 'TEST' position, contacts '3,4' and '7,8' are respectively ____________. EL-0100 A. open; closed B. closed; open C. open; open D. closed; closed