a) A, IA = 4IB b) B, IA = IB c) A, IB = 4IA d) B, IA = 2IB Ans: (a)
a) 0.2 Hz b) 0.5 Hz c) 1 Hz d) 2 Hz Ans: (c)
a) 1 amp b) 2 amps c) 4 amps d) 5 amps Ans: (c)
a) The lamp will be brightest when contact K moves to A in circuit (a) b) The lamp will be brightest when the contact K moves to B in circuit (a) c) The lamp will be brightest when contact K is moved to A the circuit (b) d) Circuit (a) is a potential divider Ans: (b)
a) Current limiting source b) Potential divider c) Light limiting source d) None of the above Ans: (a)
a) Current limiting source b) Potential divider c) Light limiting source d) None of the above Ans: (b)
a) Current b) Voltage c) Resistance d) Power Ans: (c)
a) 5 joules b) 10 joules c) 6.25 joules d) 1.6 joules Ans: (b)
a) Current-limiting resistor b) Potential divider c) Source Voltage Reduction d) Either (a) or (b) Ans: (d)
a) 10 m sec b) 15 m sec c) 20 m sec d) 50 m sec Ans: (b)
a) 1000 Ω b) 808 Ω c) 800 Ω d) 60 Ω e) 272 Ω Ans: (c)
a) V = Ldi/dt b) V = IR + Ldi/dt c) V = IR d) V = IR + 1/L di/dt Ans: (d)
a) ZL = Zs b) ZL = R – jx c) ZL = R + jx d) ZL = Zs/2 Ans: (b)
a) V2/R b) V2/2R c) V2/R2 d) V2/4R Ans: (b)
a) After 1000 μ sec of turning on the switch b) After 500 μ sec of turning on the switch c) After 50 μ sec of turning on the switch d) Immediately after turning on the switch Ans: (d)