Home
Class 12
PHYSICS
Find the current in the circuit...

Find the current in the circuit

Text Solution

Verified by Experts

`R_(eq)=1+2+2=6 Omega` the given circuit is equilent to

current `i=v/R_(eq)=30/6=5` A Ans.
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -1 (SECTION -A Definition of Current , Current Density , Drift Velocity )|8 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -1(SECTION B- Resistance & resistivity , Ohms law +VI (Volt - curr.) Characteristics + Colour Code + Temp . Dependence|8 Videos

  • CURRENT ELECTRICITY

    MOTION|Exercise EXERCISE -3 SECTION -B (PREVIOUS YEAR PROBLEMS JEE MAIN)|42 Videos

  • CONSTRAINED MOTION

    MOTION|Exercise EXAMPLES|12 Videos

  • ELASTICITY

    MOTION|Exercise EXERCISE -3|60 Videos

Similar Questions

Explore conceptually related problems

A circuit consisting of a capacitor with capacitance C and a resistance R connected in series was connected at the moment t=0 to a source of ac voltage V=V_(m) cos omegat . Find the current in the circuit as a function of time t .

A inductor of 20mH inductance and a resistor of 100 Omega resistance are connected in series to a battery of emf 10V. After a long time the circuit is short-circuited and the battery is disconnected. Find the current in the circuit 1 ms after short-circuiting.

Two parallel plate capacitor of capacitance 2C and C are charged to the potentials 2 V and V respectively and are connected in a circuit along with a resistance R as shown in the diagram. The switch k is closed at t= 0 . Find the current in the circuit as a function of time and total heat produced in the circuit

A capacitor of capacitance C has potential difference E/2 and another capacitor of capacitance C is uncharged. They are joined to form a closed circuit as shown in the figure. a. Find the current in the circuit at t =0. b. Find the charge on C as a function of time.

In a series RC circuit, R = 30 ohm, C = 0.25 mu F , V = 100 V, omega = 10000 rad//s . Find the current in the circuit and calculate the voltage across the resistor and capacitor. Is the algebraic sum of these voltages more than the source voltage ? If yes, resolve the paradox.

A copper conductor of length 10cm and radius 1*5mm is connected in parallel to an ammeter having a resistance of 0*03Omega . Find the current in the circuit if the ammeter indicates 0*4A . The resistivity of copper is 1*78xx10^-8Omegam .

A capacitor of capacitance 8.0(mu)F is connected to a bettery of emf 6.0V through a resistance of 24(Omega) .Find the current in the circuit (a)just after the connections are made and (b)one time constant after the connections are made.

A resistor of 100 Omega , inductance of 1 H and a capacitor of capacitance 10.13 xx 10^(-6) F are in series. This combination is conneceted to an A.C. source of 200 V, 50 Hz. Find the current in the circuit and the P.D. across the resistor.

MOTION-CURRENT ELECTRICITY-EXAMPLE
  1. Find the current in each wire applying only Kirchhoff voltage law

    Text Solution

    |

  2. Which electrical elements are connected in series

    Text Solution

    |

  3. Find the current in the circuit

    Text Solution

    |

  4. In the figure shown B(1),B(2)" and "B(3) are three bulbs rated as (200...

    Text Solution

    |

  5. When two resistors are in parallel combination then determine i(1)" an...

    Text Solution

    |

  6. Find current passing through the battery and each resistor.

    Text Solution

    |

  7. Find current which is passing through battery.

    Text Solution

    |

  8. Find equivalent Resistance

    Text Solution

    |

  9. Find the current in Resistance P if voltage supply between A and B vol...

    Text Solution

    |

  10. Find equivalent resistance of the circuit between the terminals A and ...

    Text Solution

    |

  11. Find (a) Equivalent resistance (b) and current in each resistance

    Text Solution

    |

  12. Find The equivalent resistanv=ce between A and B

    Text Solution

    |

  13. Determine the value of R in the circuit shown in figure, when the cu...

    Text Solution

    |

  14. Find the current in the loop.

    Text Solution

    |

  15. Find the emf and internal resistance of a single battery which is equi...

    Text Solution

    |

  16. If q=2t^(2)+3, find current at t=2 sec ?

    Text Solution

    |

  17. An electorn beam has an aperture 1.0 mm^(2). A total of 6.0xx10^(16) e...

    Text Solution

    |

  18. Calculate the drift speed of the electrons when 1A of current exists i...

    Text Solution

    |

  19. Calculate the resistance of an aluminium wire of length 50 cmand cross...

    Text Solution

    |

  20. The dimensions of a conductor of specific resistance p are shown. Find...

    Text Solution

    |