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Determine the voltage drop across the re...

Determine the voltage drop across the resistor `R_(1)` in the circuit given below with `E=60 V, R_(1)=18 Omega, R_(2)=10 Omega`.

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Knowledge Check

  • 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)=35Omega)

    A
    5
    B
    `7.5`
    C
    15
    D
    `12.5`

  • An alternating voltage V = 100 sin omega t is applied across an LCR circuit as shown. At the instant when voltage drop across source is 50 sqrt(3) volts then at that instant R = 30 Omega" "X_(L ) = 60 Omega" "X_(C ) = 20 Omega

    A
    voltage drop across inductor is `(120 cos 7^(@))` volts
    B
    voltage drop across capacitor is `(40 cos 173^(@))` volts
    C
    voltage drop across resistor is `(60 cos 7^(@))` volts
    D
    All the above

  • Find the time constant (in mu s ) for the given RC circuits in the given order respectively. R_(1) = 1 omega, R_(2) = 2 omega, C_(1) = 4muF, C_(2) = 2mu F

    A
    `18, 4, (8)/(9)`
    B
    `18, (8)/(9), 4`
    C
    `4, 18, (8)/(9)`
    D
    `4, (8)/(9), 18`

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