Find a formula. Solve any missing value.

Electronics Engineering

Tuned Amplifiers fL

Electronics Engineering

\[f_{L} = f_{0} - \frac{\Delta_{B} \cdot W}{2}\]

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Turn ratio auto transformer

Electrical Engineering

\[K \cdot of_{auto\_transformer} = \frac{LV}{HV}\]

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Turn Ratio in transformer

Electronics Engineering

\[\frac{N_{1}}{N_{2}} = K\]

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Turns Ratio of current transformer

Electronics Engineering

\[n = \frac{number_{of\_turns\_of\_secondary\_winding}}{number_{of\_turns\_of\_primary\_winding}}\]

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Turns Ratio of Potentiometer transformer

Electronics Engineering

\[n = \frac{number_{of\_turns\_of\_primary\_winding}}{number_{of\_turns\_of\_secondary\_winding}}\]

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Ultimate BOD at t=ꚙ

Civil Engineering

\[Y_u = L\]

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Ultimate load on pile by Analytical Method

Civil Engineering

\[Q_u \cdot p = Q_e \cdot b + Q_s \cdot f\]

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Unconfined Compression Test

Civil Engineering

\[\sigma_{1f} = 2 \cdot C \cdot \tan\left(45 \cdot \frac{\phi}{2}\right)\]

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Under-Reamed Pile

Civil Engineering

\[A_{} \cdot s_{1} = \alpha \cdot C \cdot \alpha\]

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Unit wt. of solids in soil

Civil Engineering

\[\gamma_{s} = \frac{W_{s}}{V_{s}}\]

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Unity gain frequency for MOSFET as Amplifier

Electronics Engineering

\[f_T = ( ( g_m ) / ( 2 \cdot \pi \cdot ( C_gs + C_gd ) ) )\]

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Upper cut off frequency for CC

Electronics Engineering

\[f_{H} = \frac{1 + g_{m} \cdot R_{L}}{2 \cdot \pi \cdot C_{L} \cdot R_{L}} \cdot \frac{g_{m}}{2 \cdot \pi \cdot C_{L}}\]

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Upper cut off frequency for CE

Electronics Engineering

\[f_{H} = \frac{1}{2 \cdot \pi \cdot r_{b\_prime} \cdot e \cdot C}\]

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Use Factor

Electrical Engineering

\[Use_factor = ( ( Actual_energy_produced ) / ( Plant_capacity \cdot Time \cdot ( hrs ) \cdot the_plant_has_been_in_operation ) )\]

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V – butt joint

Mechanical Engineering

\[P = t \cdot l \cdot \sigma_{t}\]

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Vane Shear Test

Civil Engineering

\[S = \tau\]

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Varactor Diode CT

Electronics Engineering

\[C_T = ( ( K ) / ( ( V_T + V_R ) ^ ( n ) ) )\]

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Variable losses in series motor

Electrical Engineering

\[P_v = P_c + P_s \cdot t + P_b\]

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Variation of g

Physics

\[g_prime = ( ( ( G \cdot ( M_e ) ) ) / ( ( ( ( ( R_e + h ) ) ^ 2 ) ) ) )\]

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Velocity Ratio

Mechanical Engineering

\[V \cdot R = \frac{N_{2}}{N_{1}}\]

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Vertical Gating Gating

Mechanical Engineering

\[t = \frac{V}{Ag \cdot Vg}\]

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Viscous Force

Physics

\[F = 6 \cdot \pi \cdot \eta \cdot rv\]

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Viscous force per unit area

Mechanical Engineering

\[\frac{F}{A} = \frac{\eta \cdot v}{r}\]

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Void ratio of soil

Civil Engineering

\[e = \frac{V_{v}}{V_{s}}\]

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