1. 1/2π√3 HZ
2. 1/4π√3 HZ
3. 1/4π√2 HZ
4. 1/π√2 HZ
1/4π√3 HZ
1. halved
2. doubled
3. increased by 4 tomes
4. not changed
not changed
1. (0.54 + j0.313 ) ohms
2. ( 4- j2 ) ohms
3. (4.54 – j1.69 ) ohms
4. ( 4+ j2 ) ohms
(4.54 – j1.69 ) ohms
1. 10 cos (ωt + 36.87) mA
2. 14 cos (ωt + 36.87 ) mA
3. - 14 sin (ωt + 36.87) mA
4. 10 cos (ωt + 36.87) mA
10 cos (ωt + 36.87) mA
1. 1 A
2. 2 A
3. 3 A
4. 4 A
4 A
1. the bulbs together consume 100 W
2. the bulbs together consume 50 W
3. the 60 W bulb glows brighter
4. the 40 W bulb glows brighter
the 40 W bulb glows brighter
1. 2.14 mH
2. 5.30 H
3. 31.4 mH
4. 1.32 H
31.4 mH
1. zero
2. 3.68 V
3. 6.32 V
4. 10 V
6.32 V
1. 10/√2< -450
2. 10/√2< 450
3. 5 < 450
4. 5 < - 450
10/√2< -450
1. 130 mH
2. 63 mH
3. 32 mH
4. 3969 mH
63 mH