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Two 230 V, 100 W bulbs are connected in series with 230 V supply. What will be the
power consumption of each bulb ?

(^) 200W (8) 100W

) ٣ (D) 25W

An electric iron is rated as 2000 W. If it is ON and OFF for equal durations while
ironing, how long will it take to consume one unit of energy ?

(A) 1211 an hour (B) one hour

(C) 2 hours (D) 4 hours

An inductor of 10 Ohms reactance and a capacitor of 10 Ohm reactance at 50 Hz are
connected in series with a 10 Ohm resistor. If the combination is connected to a 300 V,
50 Hz supply, the current will be
(A) 30A (8) 10A
(0) 20A (2) 15൧

Two resistors of 12 Ohm and 5 Ohm are connected in series and the combination is
comnected in parallel with a 10 Ohm resistor. What will be the power consumed by the
10 Ohm resistor, if the network is connected to a 100 V supply ?

(A) 2kW (8) ۷

(0) ٣۷ 0(۷
Buchholz relay is used in the protection of

(A) motor (B) transmission line

(C) generators (0) transformer

If a single diode in a bridge rectifier opens, the de value of output for an input of
V,, Sin wt is

(A) 0% 8) ನ್ಯ
2 Vin

© = (0) ۷۸
A snubber circuit is used along with a relay for

(A) _ electrical isolation (B) current boosting

(6) avoid arcing (D) making contact
Which of the following devices is part of a microcontroller chip ?

(A) RAM (B) ROM

(C) 1/0 ports ന) All of these

GSM uses the following multiple access methods :
(A) TDMA (B) FDMA
(C) Combination of FODMA & TDMA (D) None of these

A standby UPS can be used for power requirements of
(ಹ) 2۸ (8) 511%
(C) 10kVA (D) ഇലല than 10 kVA

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