sshZ-ypXIm´nIt{]cWw hm«v AhÀ aoäÀ (Watt-hour meter) sshZyp-tXmÀPw Af-¡m-\\p-]-tbm-Kn-¡p¶ D]-I-c-W-amWv hm«v AhÀ aoäÀ. Intem-hm«v AhÀ (kWh) bqWn-än-emWv sshZyp-tXmÀPw Af-¡p-¶-Xv. CXv bqWnäv F¶pw Adn-b-s¸-Sp-¶p. 1 bqWnäv sshZyp-tXmÀPw = 1kWh sshZyp-tXmÀP-¯nsâ hymh-km-bnI bqWnäv Intem hm«v AhÀ (kWh) hm«v AhÀ aoäÀ BWv. 1000 hm«v (1 kW) ]h-dpÅ Hcp D]-IcWw Hcp aWn-¡qÀ (1 h) Nn{Xw 3.15 {]hÀ¯n¡p-t¼m-gmWv 1 bqWnäv (1 kWh) sshZyp-tXmÀPw D]-tbm-Kn-¡p- ¶-Xv. D]-tbm-Kn¨ sshZyp-tXmÀPw IW-¡m-¡m³ Xmsg sImSp¯ ka-hmIyw D]- tbm-Kn-¡mw. Intem-hm«v Ah-dn-epÅ DuÀPw = sxgypÁbs| ×fVyiyp vfg 1000 $ 750 W ]hÀ DÅ Hcp ss{K³UÀ 2 aWn-¡qÀ {]hÀ¯n-¡p-t¼m-gpÅ sshZyp-tXmÀPw IW-¡m-¡n-t\\m-¡mw. kWh epÅ DuÀPw = 750 × 2 1500 = 1.5 bqWnäv (kWh) 1000 = 1000 $ Hcp ho«n 20 W sâ 5 kn.F^v. em¼p-IÄ 4 aWn-¡q-dpw 60 W sâ 4 ^m\\p-IÄ 5 aWn-¡qdpw 100 W sâ Sn.hn. 4 aWn-¡qdpw {]hÀ¯n-¡p¶p. F¦nÂ, Hcp Znhkw hm«v AhÀ aoä-dn F{X bqWnäv D]-tbmKw tcJ-s¸-Sp¯pw? sI.F-kv.-C.-_n. KmÀlnI D]-t`m-àm-¡Ät¡Às¸-Sp-¯nb Xmcn^v ]«nI 3.8  sImSp-¯n-cn-¡p-¶p. CXv hni-I-e\\w sNbvXv DuÀP kwc-£-W-¯n\\v Fs´Ãmw km[y-X-I-fp- s¶v Is-¯p-I. \\n§-fpsS ho«nse DuÀP D]t`mKw Bkq-{XWw sN¿p-¶Xp hgn F§s\\ sshZypX sNehv Ipd- bv¡m³ Ignbpw F¶v Hcp t{]mPIvSv Xbmd- m¡- pI- bpw sN¿pI. sshZypXn hf-sc-tbsd A]-I-S-km[y-X-bpÅ DuÀP-cq-]-am- sW-¶-dn-bm-atÃm. AXpsImpXs¶ ]e-hn-[-¯n-epapÅ kpc-£m-{I-ao-I-c-W-§Ä DÄs¸-Sp-¯n-s¡m-mWv Krl-ssh- Zyp-Xo-I-cWw \\S-¯p-¶-Xv. KmÀlnI sshZypXnhnX-c-W-¯n kpc-£n-XXzw ]«nI 3.8 Dd-¸p-h-cp-¯p¶ amÀK-§Ä 1. kpc£m ^yqkv (Safety fuse) ^yqkv skÀ¡o-«ns\\ kwc-£n-¡p¶sX§s\\sb¶v Ign-ª A[ym-b-¯n a\\-Ên-em-¡n-bn-«p-tÃm. 65
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